Propylene Glycol Isostearate is a clear, odor-free liquid.
Propylene Glycol Isostearate is a non-ionic emollient derived from isostearic acid that improves skin elasticity in facial and body care formulations, particularly anti-aging formulas and shaving preparations
Propylene Glycol Isostearate is an ester formed by the reaction of propylene glycol and isostearic acid.
CAS Number: 63799-53-1
Molecular Formula: C21H42O3
Molecular Weight: 342.55638
Synonyms: PROPYLENE GLYCOL ISOSTEARATE, 2-hydroxypropyl 16-methylheptadecanoate, Propylene glycol monoisostearate, 68171-38-0, Propylene glycol isostearate, EINECS 269-027-5, Isooctadecanoic acid, monoester with 1,2-propanediol, DTXSID601015056, SCHEMBL63702, 63799-53-1, DTXCID50815702, BJRXGOFKVBOFCO-UHFFFAOYSA-N, propylene glycol isostearate, AldrichCPR, NS00014019
Propylene Glycol Isostearate is widely used in cosmetics, pharmaceuticals, and industrial applications due to its excellent emollient, solubilizing, and moisturizing properties
Propylene Glycol Isostearate acts as an emollient suitable for hydroalcohol formulations, pigment wetting, spreading and dispersing agent.
Propylene Glycol Isostearate also functions as a calming, soothing, moisturizing, nourishing, hydrating and anti-redness agent.
Suitable for antiperspirants, deodorants, shaving, baby care, body care, facial care, sun care, eye products, facial make-up, creams and lotions.
Propylene Glycol Isostearate is also used in sprayable emulsion, specific skin treatment, sun protection, coloring, after sun, self-tan, male grooming and color cosmetics.
Propylene Glycol Isostearate is a clear, odor-free liquid.
Propylene Glycol Isostearate is a non-ionic emollient derived from isostearic acid that improves skin elasticity in facial and body care formulations, particularly anti-aging formulas and shaving preparations.
Propylene Glycol Isostearate provides excellent substantivity, spreading, and lubricating properties that enhance skin coverage and promote slip.
Tests have shown that it can help increase the SPF of solid UV filters in sunscreen emulsions.
In addition, Propylene Glycol Isostearate is highly substantive and offers moisturization benefits through its skin re-fatting properties.
Propylene Glycol Isostearate is an ester compound, formed by the reaction of propylene glycol (a diol) and isostearic acid (a branched-chain fatty acid).
Propylene Glycol Isostearates molecular structure makes it a hydrophobic substance with a light and non-greasy texture, ideal for specific formulations.
Propylene Glycol Isostearate is a mixture of esters of propylene gylcol and stearic acid.
Propylene Glycol Isostearate is a self-emulsifying grade of Propylene Glycol Stearate that contains some sodium and/or potassium stearate.
In cosmetics and personal care products, Propylene Glycol Isostearate is used in a wide variety of cosmetics and personal care products with the most prevalent uses in face and eye makeup.
It is used as a lubricant additive in machinery, particularly in industries requiring food-grade lubricants that come into incidental contact with consumable products.
In manufacturing processes, it serves as a plasticizer to enhance the flexibility of polymers and other materials.
Propylene Glycol Isostearate is a mixture of the 1,2-propanediol mono- P and diesters of stearic and palmitic acids in which the monoester, propylene glycol monostearate, predominates.
Propylene Glycol Isostearate is produced by reacting propylene glycol and triple-pressed stearic acid under elevated temperatures in the presence of a catalyst.
Propylene Glycol Monostearate is white to cream-colored, waxy solids that have.a slight, characteristic, fatty odor and taste.
They are marketed in the form of beads or PGS is soluble in such organic solvents as alcohols, mineral or xed oils, hot cottonseed oil, peanut oil, isopropyl myristate, benzene, chloroform and other chlorinated hydrocarbons, ether, acetone, and ethyl acetate.
It is insoluble in water, propylene glycol, glycerine USP, PEG 400, and 70% sorbitol, PGS may be dispersed in hot water with the aid of a small amount of soap or other suitable surface active agent.(2*4.6.1ss16) PGS-SE contains such a soap component.
Propylene glycol monostearate is quite surface active.
Although its primary use is in cosmetics, in certain applications, Propylene Glycol Isostearate can be utilized as an additive or carrier oil for flavorings or other lipid-soluble ingredients in food and beverages, adhering to regulatory guidelines.
Propylene Glycol Isostearate produces a "waxy, occlusive, water insoluble lm" when applied to the skin.I3') The major uses of PGS and PGS-SE in cosmetics are as emulsiers, emollients, texturizers, lubricating agents, and viscosity builders.
They are generally included at concentrations of 0.5%-5% in lotions and 1 %-1O% in creams.
The potassium stearate component of Propylene Glycol Isostearate provides for greater emulsifying power.
Propylene Glycol Isostearate is a white to cream-colored waxy solid with a slight fatty odor and taste.
Propylene Glycol Isostearate is produced from stearic acid, a naturally occurring fatty acid, and is marketed in the form of beads or flakes..
Propylene Glycol Isostearate hydrates and softens the skin by forming a protective barrier that prevents moisture loss.
This makes it a common ingredient in moisturizers, body lotions, and creams.
Propylene Glycol Isostearate is used in foundations, lipsticks, and other color cosmetics to improve spreadability and ensure even application on the skin.
Due to its ability to blend with both oil-soluble and active ingredients, it is often included in sunscreen formulations to improve the overall texture and water resistance.
As a mild surfactant and solubilizing agent, it can be included in cleansing products to improve their feel and efficacy.
Propylene Glycol Isostearate is a synthetic compound formed from propylene glycol and stearic acid.
Propylene Glycol Isostearate is a white to cream-colored soft waxy solid with a slightly fatty odor and taste. Stearic acid is a naturally occurring fatty acid found in animal and vegetable oils.
In addition to its use in cosmetic products, it is also used in food processing like margarine.
Propylene Glycol Isostearate functions as a self-emulsifying agent in cosmetic products.
Propylene Glycol Isostearate is typically a colorless to pale yellow liquid or semi-solid, depending on the specific formulation.
It is not soluble in water but blends well with oils and other lipophilic substances, making it a versatile ingredient in oil-based formulations.
Propylene Glycol Isostearate is chemically stable and resistant to oxidation, which contributes to its longevity in products requiring extended shelf life.
In the pharmaceutical industry, Propylene Glycol Isostearate is used as a carrier or solubilizer for active pharmaceutical ingredients (APIs), particularly in topical creams and ointments.
Propylene Glycol Isostearate enhances the penetration of drugs through the skin, making it valuable in transdermal delivery systems.
Physical Properties: Appearance: Clear, pale yellow liquid.
Odor:Faint, characteristic odor.
Density: ~0.9 g/cm³ at 25°C.
Melting Point: Typically liquid at room temperature.
Solubility: Insoluble in water.
Soluble in organic solvents (e.g., ethanol, isopropanol).
Chemical Properties: Functional Groups: Ester group (-COO-) and hydroxyl group (-OH).
Propylene Glycol Isostearate stands out due to its unique balance of hydrophobic and emollient properties, making it a superior choice over other esters in many formulations.
It offers excellent compatibility with a wide range of cosmetic ingredients, enhancing its versatility in diverse products.
Propylene Glycol Isostearate is a colorless, viscous liquid.
Propylene Glycol Isostearate has a wide range of applications including industrial solvents, paint and coating solvents, polyester and alkyd resins, antifreeze coolants, heat transfer uids, deicing uids, plasticizers, detergents and surfactants, and bactericide.
USP grade is used in foods, pharmaceutical, and personal care products.
Propylene Glycol Isostearate is not approved in Germany.
Propylene Glycol Isostearate is only slightly water dispersible, but completely soluble in fats and oils, therefore it is used only in combination with oils and fats as an emulsier and emulsion stabilizer.
In food Propylene Glycol Isostearate is mainly used in cake batters, cake icings, cake shortening, margarine, oils, oleomargarine, poultry fat, whipped toppings, icecream, and yeast.
As a defoamer, it is used in food-contact paper and paperboard.
In cosmetic industry it is used as an emulsier for lotions, soft cream, makeup, humectant in dry skin products.
Propylene Glycol Isostearate is used in cake batter and icing.
As most emulsiers can decrease the amount of fat or oil in the product or add bulkiness or soften texture by increasing the amount of air suspended throughout the product, emulsiers can serve to some degree as substitutes for fat and can decrease calories.
Emulsiers can be divided in natural and synthetic. Within the natural emulsiers, the lecithins are by far the main products.
Propylene Glycol Isostearate raw lecithin is produced mainly from soybeans.
Other important applications include baked goods and dairy products.
A self-emulsifying form that contains some sodium and/or potassium oleate.
Propylene Glycol Isostearate is used moisturizers, cleansing products, fragrance products, and makeup products such as foundations and lipsticks.
Propylene Glycol Isostearate is considered biodegradable, which reduces its environmental footprint when disposed of correctly.
Its use in eco-friendly formulations has made it a preferred choice in industries shifting towards sustainable practices.
Propylene Glycol Isostearate has a low potential for irritation or sensitization when used at recommended concentrations in cosmetics and pharmaceuticals.
It is approved for use in many regions, including the EU, US, and Japan, as a cosmetic ingredient. However, concentrations in formulations are often regulated to ensure safety.
While generally safe, individuals with sensitivity to Propylene Glycol Isostearate derivatives may experience mild irritation, necessitating patch testing in new formulations.
Being a specialty chemical, it may be more expensive than generic esters, increasing production costs for manufacturers.
In formulations requiring water solubility, its hydrophobic nature may necessitate the use of additional solubilizers.
Propylene Glycol Isostearate is a multifunctional ingredient prized for its emollient, solubilizing, and stabilizing properties across a variety of industries.
Its versatility, safety profile, and compatibility with numerous ingredients make it a staple in both cosmetic and industrial formulations.
Uses:
Propylene Glycol Isostearate is used as an emollient, humectant, emulsifier, and surfactant in cosmetic products.
As it is apparent both Propylene glycol and isostearic acid individually are very good in terms of skincare.
Propylene Glycol Isostearate can act as a humectant.
Propylene Glycol Isostearate draws water from water vapor present in the air and moisturizes the skin.
It can be used in all skin types, especially on normal and mild dry skin types.
Propylene Glycol Isostearate helps in retaining moisture in the skin.
Propylene Glycol Isostearate is a fatty acid and it also acts as an emollient.
It fills up the gaps in between the top layer cells in the skin.
Propylene Glycol Isostearate makes skin appear smoother and tighter.
Propylene Glycol Isostearate forms a thin protective barrier on the surface of the skin and protects it from any allergen or bacteria which may compromise with skin’s health otherwise.
As a surfactant, it carries both a water-loving group PG and a fat-loving group- isostearate.
The oil/ fat-loving group attracts dirt, impurities and attaches them to the surfactant molecule whereas because of the water-loving part it can be carried away with water and becomes cleaner.
With the same principle, it also acts as an emulsifier and prevents separation of the components, and enables even distribution of the product components when used.
Propylene Glycol Isostearate is used in formulations of creams, lotions, gels, shampoos, conditioners, sun care products, and other hair and skincare products.
Propylene Glycol Isostearate indicates that it is a self-emulsifying form that contains some sodium and/or potassium oleate.
The use of the “/” in the name indicates that the ingredient is a mixture of Propylene Glycol Isostearate and Propylene Glycol Dicaprate.
In cosmetics and personal care products, Propylene Glycol Isostearate and diesters are used in the formulation of moisturizers, cleansing products, fragrance products, and makeup products such as foundations and lipsticks.
Propylene Glycol Isostearate is a lipophilic emulsier that is a propylene glycol ester.
Propylene Glycol Isostearate is used as a dispersing aid in nondairy creamers; as a crystal stabilizer in cake shortenings and whipped toppings; and as an aeration increaser in cake batters, icings, and toppings.
Propylene Glycol Isostearate is also used in oils and shortenings.
Propylene Glycol Isostearate is included in heavy-duty industrial cleaners and degreasers due to its ability to dissolve grease, oils, and other residues.
Propylene Glycol Isostearate helps ensure a more thorough cleaning of surfaces, especially in environments such as factories or kitchens.
It also plays a role in general household surface cleaners, as it aids in the smooth application of the product while providing a streak-free finish, making it easier to clean glass, countertops, and other hard surfaces.
Propylene Glycol Isostearate is used in textile processing as a softening agent. When incorporated into fabric treatments, Propylene Glycol Isostearate can improve the texture and feel of fabrics, leaving them softer and more comfortable against the skin.
In the textile industry, it can serve as a fixative to help dyes bond more effectively to fabrics, improving the color retention and vibrancy of textile products over time.
In automotive applications, Propylene Glycol Isostearate may be used as part of the formulation for coolant and antifreeze solutions, providing enhanced lubrication and ensuring smooth functioning of the engine components by reducing friction and wear.
Propylene Glycol Isostearate is also used in metalworking fluid formulations, where it helps to reduce friction and improve the precision of machining processes, making it easier to cut, grind, and shape metal parts.
Propylene Glycol Isostearate plays a critical role in pharmaceutical drug delivery, particularly in transdermal drug delivery systems.
By aiding in the effective penetration of active ingredients through the skin, it can improve the bioavailability of certain medications in patch or topical cream forms.
Propylene Glycol Isostearate can be used as an emulsifier in certain injectable drug formulations, where it helps to keep the active ingredients evenly dispersed, ensuring uniformity and efficacy of the medication.
Given its biodegradable nature, Propylene Glycol Isostearate is sometimes utilized in the production of biodegradable plastics and polymers.
It acts as a plasticizer, enhancing the flexibility and degradation rate of plastic products, which is essential for products designed to be environmentally friendly.
In the packaging industry, it can be part of the formulation of compostable materials, helping to improve their strength and flexibility while ensuring that the final product breaks down in an environmentally responsible manner.
Propylene Glycol Isostearate is used in some adhesive formulations, particularly those that require flexibility, such as automotive adhesives or construction adhesives.
It improves the adhesive’s bonding strength while allowing for greater movement and expansion, which is essential for materials that are subject to changes in temperature or stress.
Propylene Glycol Isostearate is also found in sealants, where it helps create a waterproof barrier that ensures long-lasting protection against moisture penetration in areas like roofs, windows, or industrial equipment.
Propylene Glycol Isostearate is incorporated into ink formulations, particularly those used in high-quality printing processes.
It helps to improve the flow and dispersion of pigments, ensuring that the ink spreads smoothly on paper or other surfaces without clumping or uneven distribution.
In screen printing, it assists in ensuring consistent ink application, which is critical for creating high-definition, detailed prints on textiles, posters, and various other materials.
Propylene Glycol Isostearate and Propylene Glycol Stearate SE function as surfactants.
Propylene Glycol Isostearate also functions as a skin conditioning agent - emollient.
In the fragrance industry, Propylene Glycol Isostearate is sometimes used as a fixative that stabilizes and enhances the fragrance.
It helps to retain the scent for a longer period of time and ensures that the perfume or fragrance product maintains its aromatic profile during storage and use.
In essential oils and aromatherapy products, it acts as a carrier or solvent, allowing the essential oils to mix evenly with other ingredients and ensuring that the beneficial properties of the oils are preserved while facilitating easier application.
Propylene Glycol Isostearate is sometimes used in veterinary formulations, especially in topical creams or ointments designed for pets or livestock.
It helps to deliver medicinal compounds effectively while providing moisturizing benefits to the animal's skin.
Propylene Glycol Isostearate can also be found in certain pet care products such as grooming sprays, shampoos, or conditioners, where it helps to condition the fur and skin, providing a shiny and soft texture.
Propylene Glycol Isostearate is widely used as an emollient in skincare products.
It forms a thin, non-greasy barrier on the skin that helps retain moisture, making the skin feel soft, smooth, and hydrated for extended periods.
Its excellent spreading properties enhance the smooth application of color cosmetics such as foundations and lipsticks.
Propylene Glycol Isostearate helps improve the texture and ensures even distribution on the skin or lips without causing streaks or clumps.
In sunscreen formulations, it acts as a carrier for active UV-blocking agents, helping these ingredients disperse evenly while also enhancing the product’s water-resistant properties.
Propylene Glycol Isostearate is used in cleansing products to improve their feel on the skin, reduce harshness, and add a conditioning effect that leaves the skin feeling refreshed but not dry.
In shampoos and conditioners, it helps to detangle hair strands and provides a silky finish, improving manageability without leaving a greasy residue.
Propylene Glycol Isostearate is used as a base or excipient in medicinal creams and ointments, where it helps to deliver active pharmaceutical ingredients to the skin more effectively.
Its ability to enhance skin penetration makes it particularly valuable in transdermal drug delivery systems.
Due to its mild and non-irritating nature, it is included in formulations designed for sensitive skin, such as anti-itch creams and healing balms for minor skin irritations or burns.
Propylene Glycol Isostearate contributes to the overall stability of pharmaceutical products, ensuring the active ingredients remain effective over the product's shelf life.
Propylene Glycol Isostearate is used in industrial lubricants, especially in applications requiring food-grade safety, such as machinery involved in food and beverage production.
Its smooth and non-toxic properties make it a preferred choice in these environments.
Propylene Glycol Isostearate serves as a plasticizer in polymer manufacturing, improving the flexibility and durability of materials like PVC and other plastics.
In industrial coatings, it enhances the product's smoothness and provides a glossy, durable finish to surfaces, making it suitable for paints, varnishes, and protective layers.
In the food industry, Propylene Glycol Isostearate is sometimes used as a carrier for oil-based flavorings and additives, allowing these ingredients to blend smoothly into the final product.
Its neutral taste and odor ensure it does not interfere with the intended flavor profile.
Propylene Glycol Isostearate can be used in food products as an emulsifier to blend oil and water-based ingredients, providing a consistent texture and preventing separation in items like sauces, dressings, and spreads.
In paints and adhesives, Propylene Glycol Isostearate helps bind pigments and other components, resulting in a uniform and durable coating that adheres well to surfaces.
Propylene Glycol Isostearate improves the application properties of coatings, making them easier to spread evenly over surfaces without dripping or sagging.
Propylene Glycol Isostearate is increasingly being used in eco-friendly formulations due to its biodegradable nature, supporting industries focused on sustainable product development.
In perfumes and essential oil formulations, it acts as a solvent and stabilizer, helping to blend and preserve volatile aromatic compounds while maintaining their effectiveness.
Safety Profile:
Propylene Glycol Isostearate is not typically airborne, inhalation of vapors or aerosols during its industrial use, such as in spray applications or during processing, could cause respiratory irritation.
Symptoms might include coughing, sneezing, or a sore throat.
Individuals working with the compound in a poorly ventilated space may be at a higher risk.
If the compound is heated to high temperatures, it can release vapors that may irritate the respiratory tract.
Long-term or high-level exposure to such vapors should be avoided, especially in poorly ventilated areas.
While Propylene Glycol Isostearate is widely used in personal care products for its mild emollient properties, it can cause mild irritation in some individuals, particularly those with sensitive skin.
Prolonged or repeated exposure to the compound in higher concentrations may lead to dryness, redness, or inflammation of the skin.
If Propylene Glycol Isostearate comes into contact with the eyes, it can cause irritation, leading to symptoms such as redness, itching, or watering.
While not considered highly hazardous, it can still be uncomfortable and may require rinsing with water if exposure occurs.
Some individuals may have an allergic reaction to Propylene Glycol Isostearate, which could lead to symptoms like rash, itching, hives, or swelling.
Though rare, individuals with known sensitivities to similar compounds, such as propylene glycol derivatives, may be at a higher risk of experiencing these reactions.
Extended or repeated exposure to the compound could potentially lead to sensitization, where the body becomes more reactive to the substance over time.
This may result in more severe reactions upon subsequent exposure, including more pronounced skin irritation or allergic reactions.