LUVISKOL K 30 POWDER

CAS Number: 9003-39-8
EC Number: 618-363-4, an EC/List identifier for polyvinylpyrrolidone; not an original EINECS entry.
Molecular Formula: (C6H9NO)n, repeat-unit notation; chain length and end groups vary.
Molecular Weight: Variable polymer distribution; approximately 45,000 ± 5,000 g/mol by the GPC method reported in the grade's published technical information.
INCI Name: PVP
E Number / INS Number: E 1201 / INS 1201 identifies polyvinylpyrrolidone in food-additive contexts; it does not establish food suitability or authorization for this cosmetic grade.
Boiling Point: Not applicable as a discrete normal boiling point; the polymer undergoes thermal degradation rather than ordinary distillation.
Melting Point: No single sharp crystalline melting point; thermal behavior depends on moisture content and measurement conditions.
Viscosity: Not applicable to the dry powder; solution viscosity depends on concentration, solvent, temperature and measurement method.
Density: True material density is not reliably established in the reviewed grade-specific technical information; representative bulk density is approximately 430 kg/m3 in an archived product SDS.

COMMON PRODUCT AND CHEMICAL NAMES

Luviskol K 30 Powder
Polyvinylpyrrolidone
PVP
Povidone
Polyvidone
Poly(N-vinyl-2-pyrrolidone)
Poly(1-vinyl-2-pyrrolidinone)
2-Pyrrolidinone, 1-ethenyl-, homopolymer
PVP K 30, a polymer grade designation
Povidone K 30, a polymer grade designation

WHAT IS LUVISKOL K 30 POWDER?

Luviskol K 30 Powder is a soluble PVP homopolymer intended for cosmetic applications. The powder form allows formulators to choose the solvent balance and polymer concentration independently, rather than working from a predetermined aqueous solution.
The K 30 designation identifies a viscosity-related polymer grade. It does not mean that Luviskol K 30 Powder contains 30% polymer, has a viscosity of 30 mPa·s, or consists of molecules with a molecular weight of exactly 30,000 g/mol.
Commercial identity matters: ordinary K 30 powder, K 30 solutions, modified grades and higher-K-value PVP products should be evaluated against their own documentation.

CAS NUMBER, EC NUMBER AND CHEMICAL IDENTIFICATION

CAS Number 9003-39-8 identifies polyvinylpyrrolidone across multiple molecular-weight grades and commercial specifications. A matching CAS number therefore establishes the polymer family without establishing equivalent processing behavior, impurity limits or suitability for an intended application.
The repeat unit has a molar mass of approximately 111.14 g/mol. This value describes one structural unit and must not be reported as the molecular weight of the complete polymer.
Luviskol K 30 Powder is distinct from N-vinylpyrrolidone monomer, VP/VA copolymers, crosslinked polyvinylpolypyrrolidone and povidone-iodine. Those materials differ in composition, solubility, function or all three.

CHEMICAL STRUCTURE AND MOLECULAR CHARACTERISTICS

PVP is produced by polymerizing the vinyl group of N-vinylpyrrolidone, leaving the pyrrolidone rings attached to the resulting backbone. Each ring contains a polar lactam group, whose carbonyl oxygen can accept hydrogen bonds.
The structure of Luviskol K 30 Powder explains the combination of solvent affinity and film formation. Water associates with the polar groups, whereas the connected backbone keeps the repeat units within a macromolecular chain that can remain as a coherent deposit after drying.
Nonionic describes the absence of permanent ionic charges along the ordinary PVP chain. It does not imply an absence of interactions: hydrogen bonding, dipolar interactions and association with certain dyes can influence formulation behavior.

PHYSICAL AND CHEMICAL PROPERTIES

Luviskol K 30 Powder is characterized by polymer-grade measurements rather than a single small-molecule assay. The quality-control values below are reference data from grade-specific technical information dated August 2018; confirm them against the current specification and batch COA, as they are not an independent specification guaranteed by Ataman Kimya.
Chemical Class: Nonionic homopolymer of N-vinylpyrrolidone.
Physical Form: White powder; an archived product SDS describes the appearance as white to cream.
Odor: Faint characteristic odor in the archived product SDS.
Repeat-Unit Formula: C6H9NO; the polymer is conventionally written (C6H9NO)n.
Repeat-Unit Molar Mass: Approximately 111.14 g/mol; this is not the molecular weight of the complete polymer.
Reported Polymer Molecular Weight: Approximately 45,000 ± 5,000 g/mol by the stated GPC method, corresponding to an approximate reported interval of 40,000–50,000 g/mol. This describes a method-dependent average, not the minimum and maximum molecular weights of every chain in the material.
K Value: 27.0–33.0, using a 1% mass/volume aqueous solution; K value is a viscosity-derived grade parameter, not a dynamic viscosity in mPa·s.
K-Value Test Concentration: 1 g of material per 100 mL of solution, according to the stated mass/volume basis; follow the actual release method for sample preparation and any corrections.
Solids Content: 95.0–100.0%, determined after 60 minutes at 140 °C under vacuum.
PVP Content: 95–100% in the published composition information.
Water Content: 0–5% in the published composition information. A dedicated water measurement is distinct from loss on drying or solids determination.
pH: 3.0–7.0 for a 10% aqueous solution; the archived SDS specifies 10% by mass at 20 °C. Retain the concentration basis and method when comparing measurements.
Residual N-Vinylpyrrolidone: Maximum 100 ppm by HPLC in the published release specification.
Residual-Monomer Unit Equivalents: 100 ppm by mass = 100 mg/kg = 0.010% by mass; the figure is a residual-monomer limit, not total impurity content.
Solution Color: Maximum 40 APHA/Hazen units for a 3.5% aqueous solution. This is a solution-color measurement rather than a powder-whiteness specification.
Water Solubility: Soluble; the archived SDS describes full solubility. No numerical saturation concentration is assigned here.
Ethanol Solubility: Soluble according to the grade-specific technical information.
Isopropanol Solubility: Soluble according to the grade-specific technical information; mixed-solvent behavior still depends on the complete composition.
Representative Bulk Density: Approximately 430 kg/m3 in the archived product SDS revised September 2009, equivalent to 430 g/L or 0.43 g/cm3.
True Density and Tapped Density: Not established by the cited bulk-density value; these require separate measurements.
Dynamic Solution Viscosity: Concentration, solvent, temperature and shear dependent; no universal Brookfield viscosity is specified for the powder grade in the reviewed release data.
Boiling Point: No discrete normal boiling point applicable to the polymer; heating ultimately causes degradation rather than clean distillation.
Melting and Softening Behavior: No single sharp crystalline melting point is assigned here; moisture and thermal history affect the behavior of the polymer.
Glass Transition Temperature: No verified grade-specific value is assigned here; moisture content and the measurement protocol must accompany any reported result.
Hygroscopicity: Moisture absorbing; a fixed equilibrium water uptake cannot be stated without relative humidity, temperature and conditioning time.
Added Preservatives and Antioxidants: None listed in the August 2018 technical information; this does not establish that an aqueous finished product is self-preserving.
Added Solvent: None listed in the August 2018 technical information; associated water is separately described in the composition block.
Published Storage Temperature: +10 to +25 °C in the August 2018 technical information, with original sealed containers protected from moisture.
Published Shelf-Life Reference: 36 months in that document under its specified storage conditions; the supplied lot's current expiry or retest information takes precedence.
Archived safety-related measurements provide additional physical context but are not current release specifications or a sufficient basis for explosion-protection design. The following figures are reported in the product SDS revised September 2009 and require confirmation for the material and equipment in use.
Archived Flash-Point Entry: Greater than 215 °C, DIN 51755; this entry does not replace assessment of combustible powder or dust clouds.
Archived Ignition Temperature: Approximately 420 °C, DIN 51794.
Archived Lower Dust Explosion Limit: 25 g/m3 of air; this is a dust-cloud concentration rather than a vapor percentage.
Archived Minimum Ignition Energy: 10–30 mJ, VDI 2263, sheet 1, section 2.5.
For formulation comparisons, record the same solution concentration, solvent system, temperature and instrument conditions. K value, GPC molecular weight, dynamic viscosity and bulk density measure different characteristics and should not be substituted for one another.

HOW DOES LUVISKOL K 30 POWDER WORK AT THE MOLECULAR LEVEL?

In a suitable solvent, the polymer chains of Luviskol K 30 Powder become solvated and distributed through the liquid. During drying, solvent loss brings the chains together and leaves a film on the treated surface.
For hair styling, the resulting deposit helps maintain the arrangement of fibers. This is a physical film-forming process; routine styling performance does not require polymerization or a separate chemical curing reaction during application.
Water can subsequently enter the film formed by Luviskol K 30 Powder and alter its mechanical behavior. The practical implication is that dry hold, humid hold, flexibility and tack should be tested separately rather than inferred from initial film appearance.

WHICH INDUSTRIES USE LUVISKOL K 30 POWDER?

Hair-styling and personal-care manufacturers are the principal users of Luviskol K 30 Powder. Its documented formats include gels, creams, mousses, pump sprays and liquid setting preparations, with selected color-cosmetic applications also supported by published formulation examples.
Across these applications, the main contribution of Luviskol K 30 Powder is a deposited polymer film. Binding and solution-viscosity effects can be useful alongside that function, but the final performance depends on how the polymer is combined with the carrier, rheology modifier, emollients, pigments or other styling polymers.
The application discussions below distinguish documented uses from formulation considerations. They explain how to evaluate Luviskol K 30 Powder in those uses without assigning an unsupported universal dosage, recipe or performance guarantee.

LUVISKOL K 30 POWDER IN HAIR GELS AND WET-LOOK PRODUCTS

In a hair gel, Luviskol K 30 Powder supplies the film-forming component that remains after the liquid carrier evaporates. The deposited PVP helps maintain the chosen arrangement of hair fibers, making the product useful for shaping, defining and setting a style.
The gel network and the styling film perform different jobs. A carbomer-type thickener or another suitable rheology modifier can provide the texture that holds the product in the hand and controls spreading, while PVP contributes the dry styling effect. Increasing gel viscosity alone does not establish that the dried style will have stronger hold.

For clear gels, the solubility of Luviskol K 30 Powder is useful because a dissolved polymer can contribute styling functionality without intentionally introducing an opaque particulate phase. Clarity must nevertheless be checked after adding fragrance, color, preservatives, salts and other polymers, since the appearance of a simple PVP solution does not establish the appearance of the finished gel.
Wet-look products require a balance between film formation, gloss and the desired hair feel. Humectants and other nonvolatile ingredients may influence that balance, so the evaluation should cover both the appearance immediately after application and the feel after drying.
Practical development criteria include hold, tack, combing behavior and visible flaking after the dried hair is flexed or restyled. Test realistic application amounts: a deposit that performs well as a thin film may behave differently when the consumer applies several layers.

LUVISKOL K 30 POWDER IN PUMP SPRAYS AND SETTING LOTIONS

Luviskol K 30 Powder can be dissolved into a suitable aqueous or hydroalcoholic carrier for pump-applied styling products. After spraying and drying, the PVP deposit contributes the setting film; the liquid carrier and spray package determine how that film is distributed over the hair.
The powder supply form of Luviskol K 30 Powder gives formulators control over polymer loading without introducing the fixed amount of carrier associated with a premade solution. This can be useful when developing several products with different water-to-alcohol balances, although each composition still requires its own solubility and stability evaluation.

Sprayability depends on more than whether Luviskol K 30 Powder dissolves. Solution viscosity, surface behavior and package design influence the delivery pattern, so a formulation should be assessed in its intended pump rather than only in a laboratory beaker. Compare mist uniformity, localized wetting, drying time and the distribution of hold along the hair.
Repeated-use testing is particularly relevant because liquid remaining around the outlet can dry into a polymer deposit. Check nozzle cleanliness, restart after storage and changes in delivery as the package is used.
Any alcohol-containing preparation requires assessment of the finished blend's flammability and packaging compatibility. A pump-spray application also needs an exposure assessment appropriate to the delivered droplets; powder handling data alone do not establish finished-spray safety.

LUVISKOL K 30 POWDER IN SETTING LOTIONS AND BLOW-DRY PREPARATIONS

Liquid hair-setting preparations are a documented application for Luviskol K 30 Powder, and historical formulation literature includes K 30 PVP in setting and blow-drying lotions. In these products, the liquid helps distribute the polymer through the hair before the styling film develops during drying.
The formulation can be evaluated for use on damp hair, where water already present on the fibers changes the effective application concentration and drying behavior. The amount of lotion, distribution through the hair and selected styling technique should therefore be controlled when comparing prototypes.
For roller setting or brush-assisted shaping, assess style retention together with comb-through, residue and the feel after the hair is released. A formulation intended for soft, natural-looking movement may need a different balance of polymer and accompanying ingredients from a product intended for a firmer set.
Use of Luviskol K 30 Powder in a blow-dry preparation does not itself establish thermal protection. Any claim concerning reduced heat damage requires evidence from the finished product under relevant use conditions.

LUVISKOL K 30 POWDER IN STYLING CREAMS

Styling creams combine the setting contribution of Luviskol K 30 Powder with the texture and spreading characteristics of an emulsion or another cream structure. PVP is useful when the formulation needs a polymer deposit while retaining a cream delivery format.
In an oil-in-water cream, Luviskol K 30 Powder can be evaluated in the aqueous phase, while emollients and the emulsifying system determine much of the bulk structure and initial sensory feel. Their balance matters after application as well: the final deposit contains the nonvolatile ingredients of the whole formula, rather than PVP alone.

Formulation work should connect these two stages. Assess ease of spreading and distribution on hair, followed by dry hold, flexibility and residue. A cream that feels smooth during application may still leave an overly stiff or tacky deposit, so a wet sensory assessment is insufficient by itself.
Luviskol K 30 Powder should not be assumed to supply the complete emulsifying system. Validate emulsion stability separately, including any change caused by the polymer solution and the other water-soluble ingredients.

LUVISKOL K 30 POWDER IN HAIR MOUSSES

In a hair mousse, Luviskol K 30 Powder is used for the styling film delivered by the foam. The foaming system creates a temporary application structure, while PVP contributes the deposit that remains when the foam collapses and its liquid carrier dries.
This separation of functions helps define useful development tests. Foam expansion, drainage and collapse describe delivery, whereas dry hold, residue and combing describe the styling result. Good performance in one group of measurements does not establish good performance in the other.
Evaluate Luviskol K 30 Powder with the actual surfactant system and package because they influence how much product reaches the hair and how evenly it spreads. For an aerosol mousse, compatibility with the selected propellant and pressure package must be established for the full formulation; it cannot be inferred from the water solubility of PVP.
The creaminess of the foam and the stiffness of the dried hair can be adjusted through different formulation variables. Compare them independently when developing a mousse intended to deliver a particular combination of application feel and hold.

LUVISKOL K 30 POWDER IN MASCARA AND SELECTED COLOR COSMETICS

Published formulation examples support the use of K 30 PVP in mascara and other pigmented cosmetic systems. In these applications, the relevant functions are binding and film formation: a polymer-containing deposit can help retain pigment and other solids within the applied layer.
The formulation challenge differs from that of a clear hair gel because pigment, dispersants, waxes and other solids influence the film. Evaluate color uniformity, deposition, adhesion and the behavior of the dried layer when flexed or rubbed. PVP is one component of that system rather than a guarantee of pigment dispersion or wear resistance.

The water solubility of Luviskol K 30 Powder is particularly important when defining the intended claim. A soluble PVP film does not by itself support a waterproof claim; resistance to water, tears or transfer must be demonstrated for the finished cosmetic.
Eye-area products require an appropriate safety assessment and microbiological controls. Historical formulation examples provide a technical starting point, while the current ingredient selection, intended exposure and market requirements determine whether a particular finished product is suitable.

LUVISKOL K 30 POWDER IN CLEANSING AND HAIR-COLOR FORMULATIONS

Technical literature for the Luviskol K family describes use in cosmetic products that cleanse, color or otherwise improve the appearance of skin and hair. For Luviskol K 30 Powder, relevant evaluation targets include film formation, binding and contributions to solution consistency within a suitable formulation.
In a cleansing system, PVP is not a replacement for the primary cleansing surfactant. Any benefit should be assessed in the full surfactant mixture, with attention to viscosity, clarity and what remains after rinsing. Performance established in a leave-on styling product should not be assumed to carry over to a rinse-off product.

Hair-color products need particular attention because Luviskol K 30 Powder can associate with certain dyes. That interaction may change the behavior of a colorant in the formulation, so shade development, storage stability and deposition should be measured directly rather than inferred from compatibility in an uncolored base.
The nonionic character of Luviskol K 30 Powder can facilitate combinations with charged cosmetic ingredients, but it does not establish stability under every dyeing condition. Assess the actual pH, salts and any reactive ingredients in the proposed system; a compatibility statement about the polymer family is not a universal approval for oxidative hair-color formulations.

BROADER PVP APPLICATIONS AND INDUSTRIAL GRADE SELECTION

The wider PVP family is used for binding, film formation and dispersion-related functions beyond cosmetics. These functions can be relevant to technical coatings, adhesive systems and particulate formulations, but chemical similarity alone does not establish that Luviskol K 30 Powder is the appropriate grade for each industrial process.
For a technical project, define the required film behavior, solvent system, viscosity and impurity limits first. Then assess whether a cosmetic PVP grade provides the relevant specification and documentation or whether a separately designated industrial grade is more appropriate.
For example, a soluble binding film and a water-resistant permanent coating represent different performance targets. The hydrophilicity that makes PVP convenient for aqueous processing must be considered when the finished material will encounter moisture. Any broader industrial use therefore requires application-specific validation and should not be represented as a guaranteed use of this cosmetic grade.

COMPATIBILITY, HUMIDITY AND PERFORMANCE LIMITATIONS

Published information for Luviskol K 30 Powder describes compatibility with many anionic, cationic and nonionic cosmetic polymers, including carbomer-type thickeners. This provides a useful starting point for screening, while the actual blend must still be tested at its intended concentrations and pH.
Dye association deserves particular attention. PVP can bind certain dyes, so color development and stability should be checked when Luviskol K 30 Powder is included in a colored formulation.
Humidity is another important variable because absorbed moisture can soften a hydrophilic film. Compare tack, hold and residue after conditioning under relevant humidity conditions, especially when the intended product makes a durable-styling claim.
Luviskol K 30 Powder is a functional polymer rather than a preservation system. Aqueous products still need appropriate microbiological protection and finished-product validation.

STARTING FORMULATION APPROACHES

For an aqueous gel, consider Luviskol K 30 Powder as the styling component and select the rheology modifier according to the desired texture. For a setting lotion or pump spray, focus on solvent balance, polymer loading, drying and package delivery.
For a cream or mousse, evaluate Luviskol K 30 Powder within the full emulsion or foaming system. Changes in humectants, emollients and other polymers should be assessed for their effects on the dried deposit as well as the bulk product.
These are development approaches rather than validated formulas. Select concentration, mixing conditions and addition order through supported formulation guidance and laboratory trials; no universal dosage or processing sequence is assigned here.

SIMILAR PRODUCTS AND ALTERNATIVES

Higher-K-value PVP grades are alternatives when stronger setting or a different solution-viscosity profile is required. Their molecular-weight differences can change processing and sensory properties, so substitution should be tested rather than made solely on equal powder weight.
VP/VA copolymers offer another approach to balancing film properties and moisture sensitivity. The vinylpyrrolidone-to-vinyl acetate ratio influences solvent compatibility and water uptake, making the exact copolymer composition important.
Other hair-styling polymers may be selected for particular hold, humidity or feel targets. Compare them in the intended formulation using equivalent active-polymer levels where appropriate, followed by performance testing.
Crosslinked PVPP is not a soluble replacement for Luviskol K 30 Powder. Likewise, a pharmaceutical povidone grade may share a chemical identity while being supplied under a different quality and regulatory framework.

QUALITY CONTROL AND PURCHASING CRITERIA

Purchase against the exact product designation and agreed specification. Important checks include K value, solids, aqueous color, residual monomer and pH, with the stated test conditions retained when comparing results.
The TDS explains the characteristics of Luviskol K 30 Powder and intended technical uses. The SDS addresses hazards and safe handling, while a batch-specific COA records the release results applicable to the supplied lot.
For production planning, discuss packaging integrity, quantity, traceability and the required documentation with Ataman Kimya. Do not assume that a shared CAS number or the description PVP K 30 establishes equivalence to the requested commercial grade.

STARTING FORMULATION APPROACHES FOR LUVISKOL K 30 POWDER

The following examples illustrate how Luviskol K 30 Powder can be evaluated during formulation and process development. These starting approaches are not validated commercial recipes, production instructions, or final formulations confirmed to comply with applicable regulations.
Luviskol K 30 Powder is a powdered, nonionic vinylpyrrolidone homopolymer identified by the INCI name PVP and CAS 9003-39-8. Polyvinylpyrrolidone provides film formation and hair-setting properties and is soluble in water and ethanol. Polymer grade, moisture content, humectants, solvent composition, and humidity can influence hold, tack, and residue. Laboratory evaluation, performance testing, product safety assessment, and applicable regulatory checks are required for each application.
Unless otherwise stated, the percentages below refer to the complete finished formulation, with Luviskol K 30 Powder expressed as dry PVP. Calculate the supplied powder quantity from the lot's documented polymer solids and adjust water accordingly. For example, a 3.0% dry PVP target requires approximately 3.09% powder at 97.0% polymer solids. Keep the product grade and all supporting ingredients constant throughout each comparison.

EXAMPLE 1: LUVISKOL K 30 POWDER DOSAGE SCREENING IN A CLEAR HAIR STYLING GEL

Objective: To determine how Luviskol K 30 Powder affects hair hold, film stiffness, tack, flaking, and gel appearance.

Starting components:

Luviskol K 30 Powder: approximately 1.0%, 3.0%, and 5.0% dry PVP

Carbomer suitable for clear styling gels: an illustrative fixed level of approximately 0.4% active polymer

Glycerin: approximately 0.5%, kept constant

Panthenol: approximately 0.2% active material, kept constant

Compatible preservative system: a fixed supplier-supported level, with efficacy to be verified

Suitable neutralizing agent: sufficient to reach one fixed final pH within approximately 6.0–6.5

Demineralized water: sufficient to reach 100%

Fragrance and color: omit from the initial comparison

Mixing, equilibration, application quantity, hair tress type, and drying conditions: keep constant

PVP supplies the setting film while carbomer provides the main gel structure in this design. Increasing the Luviskol K 30 Powder level may change viscosity and application behavior as well as hold, so evaluate these effects separately.

Application approach:

Disperse the carbomer in a measured portion of water and allow it to hydrate according to its technical guidance.
Dissolve Luviskol K 30 Powder gradually in a separate water portion under controlled mixing until uniform and free from visible particles.
Add glycerin, panthenol, and preservative at stages compatible with their processing requirements.
Combine the phases using a consistent method and adjust the carbomer neutralization to the selected final pH.
Adjust final weight, remove excessive entrained air, and allow the same equilibration period before testing.
Measure appearance, clarity, pH, viscosity, and dispensing behavior.
Apply the same product quantity to standardized hair tresses, set identically, and compare dry hold, tack, combability, and flaking.
Evaluate curl retention under defined normal and elevated humidity conditions and assess washout with the same cleansing procedure.
Select the Luviskol K 30 Powder level that provides the required balance of styling performance and cosmetic feel.
Control powder dust, use suitable eye and hand protection, and maintain hygienic preparation. Verify microbiological quality, preservative efficacy, and packaging compatibility before further development.

EXAMPLE 2: LUVISKOL K 30 POWDER LEVEL EVALUATION IN A HYDROALCOHOLIC HAIR SETTING LOTION

Objective: To assess how PVP concentration affects solution clarity, drying behavior, hair-setting performance, and residue in a liquid styling preparation.

Starting approach:

Luviskol K 30 Powder: approximately 1.0%, 2.0%, and 3.0% dry PVP

Ethanol: approximately 25.0% on an absolute ethanol weight basis, correcting for the strength of the supplied alcohol

Glycerin: approximately 0.3%, kept constant

Panthenol: approximately 0.1% active material

Compatible preservative system: a fixed supplier-supported level, with efficacy to be verified

Demineralized water: sufficient to reach 100%

pH adjustment: only if required for ingredient compatibility, using a consistent method suitable for the aqueous-alcoholic system

Fragrance, oils, and additional setting polymers: omit from the initial comparison

Preparation temperature: one fixed setpoint within approximately 20–25 °C

Prepare these laboratory candidates for controlled application to hair tresses. If a spray delivery format is later selected, assess the dispenser, inhalation exposure, and finished-product compatibility as part of that development.

Application approach:

Charge most of the calculated water and add Luviskol K 30 Powder gradually with mixing.
Continue mixing until the PVP is fully dissolved, then add the fixed glycerin and panthenol.
Introduce ethanol gradually in a suitable closed mixing system and account for water carried by the alcohol.
Add the preservative according to its incorporation requirements and adjust final weight.
Allow the same equilibration period, then measure clarity, viscosity, and any apparent pH using the defined method.
Apply equal quantities to matched hair tresses and compare drying, curl formation, stiffness, tack, and visible residue.
Repeat the hold comparison under controlled humidity and evaluate combing and washout behavior.
Monitor clarity, odor, polymer deposition, and packaging interaction during defined stability testing.
Select the Luviskol K 30 Powder level based on measured performance rather than assuming that higher polymer content always improves the result.
Control flammable alcohol vapors and ignition sources and provide suitable ventilation and personal protection. Demonstrate preservation of the complete formulation rather than assuming the ethanol level is sufficient.

EXAMPLE 3: LUVISKOL K 30 POWDER FILM-FORMER SCREENING IN A HAIR STYLING CREAM

Objective: To evaluate how Luviskol K 30 Powder influences styling control, cream texture, tack, and residue in an oil-in-water hair cream.

Starting approach:

Luviskol K 30 Powder: approximately 0.5%, 1.0%, and 2.0% dry PVP

Glyceryl stearate citrate: an illustrative fixed level of approximately 3.0%

Cetearyl alcohol: approximately 2.0%, kept constant

Compatible emollient oil blend: sufficient to bring the complete oil phase, including emulsifier and fatty alcohol, to 10.0%

Glycerin: approximately 1.0%, kept constant

Compatible preservative system: a fixed supplier-supported level, with efficacy to be verified

Demineralized water and compatible pH adjuster: sufficient to reach 100%

Final pH: one fixed setpoint within approximately 5.5–6.0

Emulsification temperature, shear, cooling profile, and application quantity: keep constant

Keep the oil phase unchanged and adjust water when varying Luviskol K 30 Powder. The final styling response depends on the balance between the PVP film, oils, and humectant; emulsion stability and hair performance both require verification.

Application approach:

Dissolve Luviskol K 30 Powder in a measured portion of the aqueous phase and confirm uniformity.
Prepare the oil phase with the emulsifier, cetearyl alcohol, and emollient blend.
Heat the compatible oil and aqueous phases separately to the established emulsification temperature, such as approximately 70–75 °C.
Form the oil-in-water emulsion using the same addition sequence and homogenization conditions.
Cool under controlled agitation, incorporating temperature-sensitive ingredients within their supported limits.
Adjust pH and final weight and allow the same equilibration period before comparing samples.
Measure emulsion appearance, droplet distribution, viscosity, and pH.
Apply equal amounts to standardized hair tresses and compare shaping control, softness, tack, residue, combability, and washout.
Evaluate phase separation, viscosity drift, microbiological quality, preservative efficacy, and packaging compatibility during development.
Select the Luviskol K 30 Powder level only after confirming both cream stability and the intended styling performance. Use hygienic equipment and appropriate protection when handling powder and heated phases.

REGULATED APPLICATIONS AND GRADE DISTINCTIONS

The published technical information identifies Luviskol K 30 Powder as a cosmetic ingredient and states that Luviskol K products are not intended for pharmaceutical preparations. Pharmaceutical use requires a separately suitable grade and the relevant documentation.
Povidone also appears in food-additive references under INS 1201 and E 1201. Those designations concern the polymer in defined food-use contexts and do not qualify Luviskol K 30 Powder for ingestion.
An INCI name identifies an ingredient for cosmetic nomenclature purposes. It does not replace the assessment of the final formula, intended exposure, impurities and applicable market requirements.

FIRST AID

Inhalation: Move anyone exposed to Luviskol K 30 Powder dust to fresh air and keep them comfortable. Seek medical assistance for breathing difficulty or persistent symptoms.
Skin Contact: Remove contaminated clothing and wash Luviskol K 30 Powder from the skin with soap and water. Obtain medical advice if irritation persists.
Eye Contact: Rinse Luviskol K 30 Powder from the eyes with running water for at least 15 minutes, holding the eyelids open. Remove contact lenses if easily possible and seek attention for persistent pain or visual disturbance.
Ingestion: Rinse the mouth after swallowing Luviskol K 30 Powder; do not induce vomiting. Seek medical advice and give nothing by mouth to an unconscious person.
Note to Physicians: Provide the Luviskol K 30 Powder container or SDS; treatment is directed by the patient's symptoms and clinical condition.

HANDLING AND STORAGE

Handling: Transfer Luviskol K 30 Powder carefully to limit airborne dust and contamination. Keep containers closed between withdrawals.
Engineering Controls: Use suitable dust extraction where Luviskol K 30 Powder is weighed or charged. Keep equipment and work surfaces clean.
Personal Protection: Wear eye protection, suitable gloves and work clothing when handling Luviskol K 30 Powder. Select protection for all ingredients present in the process.
Respiratory Protection: Where Luviskol K 30 Powder dust cannot be adequately controlled, use particulate respiratory protection selected through the workplace exposure assessment and current SDS.
Fire and Explosion Prevention: Luviskol K 30 Powder has a documented dust-explosion hazard. Control ignition sources, electrostatic discharge and dust accumulation; assess the actual powder-handling installation.

Storage: Keep Luviskol K 30 Powder tightly sealed in a dry location, protected from excessive heat. Follow the supplied lot's storage instructions.
Material Compatibility: Use clean, suitable equipment for Luviskol K 30 Powder and assess chemical compatibility against the current SDS and complete process composition.
Spill Procedures: Collect spilled Luviskol K 30 Powder with methods that minimize dust dispersion. Avoid compressed-air cleaning and contain contaminated cleanup material.
Environmental Precautions and Waste Disposal: Prevent Luviskol K 30 Powder and concentrated solutions from entering drains or waterways. Use the appropriate local waste route for the material and its contaminants.
Fire Response: Follow the Luviskol K 30 Powder SDS and site emergency plan. Firefighters require protection from smoke and decomposition gases, including suitable breathing apparatus.

SAFETY AND TRANSPORT INFORMATION

An archived product SDS revised September 2009 describes Luviskol K 30 Powder as not requiring GHS hazard classification and as not classified as dangerous goods for its listed transport modes. This historical information does not establish the current shipping or labeling status of a supplied consignment.
UN Number: No number assigned under the archived non-dangerous-goods classification; verify the current regional SDS.
Proper Shipping Name: Not applicable under that archived classification.
Transport Hazard Class: Not assigned under that archived classification.
Packing Group: Not assigned under that archived classification.
Dust explosibility must still be addressed in workplace handling. A finished blend containing flammable solvents or other hazardous ingredients requires classification based on the blend itself.

FREQUENTLY ASKED QUESTIONS ABOUT LUVISKOL K 30 POWDER

What is Luviskol K 30 Powder?
Luviskol K 30 Powder is a cosmetic PVP homopolymer grade supplied as a soluble powder, principally for styling and film-forming applications.

What are the CAS number and INCI name of Luviskol K 30 Powder?
The CAS number of Luviskol K 30 Powder is 9003-39-8 and its INCI name is PVP.

Is povidone the same chemical as PVP?
Povidone is an accepted name for polyvinylpyrrolidone, but commercial grades can differ in specifications and intended use.

Does K 30 mean 30% active content?
No; K 30 is a viscosity-related grade designation.

What is the molecular weight of Luviskol K 30 Powder?
Published grade information reports approximately 45,000 ± 5,000 g/mol by its stated GPC method; the polymer contains a distribution of chain sizes.

Which solvents dissolve Luviskol K 30 Powder?
Information for Luviskol K 30 Powder identifies water, ethanol and isopropanol as suitable solvents.

Can Luviskol K 30 Powder be the only thickener in a hair gel?
Evaluate the required texture separately; many styling gels use a dedicated rheology modifier alongside PVP.

Is the film formed by Luviskol K 30 Powder humidity resistant?
PVP absorbs moisture, so humid hold and tack must be tested in the final formulation.

Can Luviskol K 30 Powder be combined with carbomer?
Published information supports the compatibility of Luviskol K 30 Powder with carbomer-type thickeners, subject to testing of the complete formulation.

Can Luviskol K 30 Powder affect dyes?
Yes; PVP can associate with certain dyes, making color and stability checks necessary.

Is Luviskol K 30 Powder interchangeable with PVPP?
No; crosslinked PVPP is insoluble and does not provide the same soluble-film-forming behavior.

Is Luviskol K 30 Powder a pharmaceutical or food grade?
The reviewed technical documentation identifies a cosmetic grade and excludes pharmaceutical preparations; food suitability is not established by the polymer's additive number.

What safety issue matters during Luviskol K 30 Powder handling?
Dust exposure and the documented dust-explosion hazard require appropriate workplace controls.

Which documents should accompany a purchase of Luviskol K 30 Powder?
Request the applicable TDS, current regional SDS and batch COA, together with traceability and any application-specific documentation.

TECHNICAL SUMMARY

Luviskol K 30 Powder is a nonionic polyvinylpyrrolidone homopolymer supplied principally for cosmetic film-forming applications. Its CAS number is 9003-39-8 and its INCI name is PVP; the commonly used name povidone identifies the polymer chemistry without establishing a particular commercial quality or regulatory grade.
The molecular structure combines a carbon backbone with polar lactam-containing side groups. Solvation of those groups permits use in suitable water and alcohol systems, while the connected polymer chains produce a film as the carrier evaporates. This combination supports the use of Luviskol K 30 Powder in gels, pump sprays, setting lotions, creams and mousses, with binding and film formation also relevant to selected color cosmetics.

The powder form of Luviskol K 30 Powder gives formulators control over the solvent balance and polymer concentration. In a gel, the styling film should be evaluated separately from the thickener's contribution to bulk texture; in a spray, delivery and nozzle behavior are additional variables. Creams and mousses require the film former to function within their respective emulsion or foaming systems, and pigmented products require assessment of the complete deposited layer.
Key published quality measurements include a K value of 27.0–33.0, solids of 95.0–100.0%, pH of 3.0–7.0 for the specified aqueous test solution, residual vinylpyrrolidone of no more than 100 ppm and solution color of no more than 40 APHA/Hazen units under the stated test conditions. The reported GPC molecular weight of approximately 45,000 ± 5,000 g/mol is a method-dependent polymer average, not a fixed molecular mass for every chain. These reference values require confirmation against the current specification for Luviskol K 30 Powder and supplied batch COA.

The moisture affinity of Luviskol K 30 Powder is a central performance trade-off. It supports aqueous processing and washability, but absorbed water can soften the film and alter tack or hold in humid use conditions. Selection of accompanying polymers, humectants and emollients should therefore be guided by finished-product testing of drying, flexibility, residue, washout and humidity response rather than by a single initial hold measurement.
Quality and safe handling remain part of the technical selection. Keep Luviskol K 30 Powder protected from moisture, control airborne dust and address its documented dust-explosion hazard in the handling installation. Obtain the applicable TDS, current regional SDS and batch COA, and verify that the selected grade matches the intended use: the reviewed product literature identifies cosmetic applications and explicitly excludes pharmaceutical preparations, while food-additive identifiers for PVP do not qualify this cosmetic grade for ingestion.

CONTACT ATAMAN KIMYA

Contact Ataman Kimya to discuss Luviskol K 30 Powder for your intended application and the grade specifications your project requires. Technical documentation, packaging options, required quantities, current availability and a quotation can be discussed for the proposed supply.
Ataman Chemicals
Phone: +90 216 577 10 10
Email: info@atamankimya.com