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Polysorbate 20 solubilizer acts as an effective solubilizer for incorporating oils, fragrances, and flavors into water-based formulations.
Polysorbate 20 solubilizer supports stable and uniform dispersion of hydrophobic ingredients without significantly affecting the appearance of the final product.
Polysorbate 20 solubilizer's non-ionic structure makes it suitable for cosmetic, pharmaceutical, food, and industrial applications where mild and reliable performance is required.
CAS Number: 9005-64-5
EC Number: 500-018-3
Synonyms: Polysorbate 20 solubilizer, Tween 20, Polyoxyethylene sorbitan monolaurate, Polyoxyethylene (20) sorbitan monolaurate, PEG-20 sorbitan monolaurate, Sorbitan monolaurate ethoxylated, Ethoxylated sorbitan monolaurate, Polyethylene glycol sorbitan monolaurate, Sorbitan monododecanoate polyoxyethylene ether, Polyoxyethylene sorbitan laurate, E432, INS 432, Polysorbate 20 solubilizer, Non-ionic solubilizer, Non-ionic surfactant
Polysorbate 20 solubilizer is a Sorbaitan Monolaurate (Polysorbates) that has been ethoxylated with approximately 20 moles of ethlene oxide to produce a water soluble, oil and water emulsifier.
Polysorbate 20 solubilizer can also be used as a wetting agent, viscosity modifier, anti-stat, stabilizer and dispersing agent.
Polysorbate 20 solubilizer is the final ingredient necessary when combining fragrance oil with water-based products like baby shampoo because of very low eye irritation, body wash, toiletries, cosmetics, and ointments.
Polysorbate 20 solubilizer is perfect for keeping the product clear and un-cloudy & prevents any separation of the oils or fragrance.
Mix 1 part essential oil or fragrance to 1 part Solubilizer, blend, and then add to your product and it will retain its glass like clarity.
Polysorbate 20 solubilizer is a non-ionic surfactant and solubilizer produced from sorbitan, lauric acid, and ethylene oxide.
Polysorbate 20 solubilizer is mainly used to dissolve, disperse, and stabilize oils, fragrances, flavors, and other water-insoluble ingredients in aqueous formulations.
Due to its high HLB value, Polysorbate 20 solubilizer is especially suitable for oil-in-water emulsions and clear water-based products.
Polysorbate 20 solubilizer is an essential ingredient for any formulation requiring a water-soluble emulsifier.
Created through the ethoxylation of Sorbitan Monolaurate with approximately 20 moles of ethylene oxide, Polysorbate 20 solubilizer excels at binding oil and water-based ingredients, ensuring stable and homogenous formulations.
Polysorbate 20 solubilizer serves multiple functions beyond emulsification, acting as a wetting agent, viscosity modifier, anti-static agent, stabilizer, and dispersing agent.
Polysorbate 20 solubilizer's gentle nature and low eye irritation make it ideal for use in a variety of personal care products, including baby shampoos, body washes, toiletries, cosmetics, and ointments.
Polysorbate 20 solubilizer is particularly effective in maintaining the clarity and consistency of products.
Polysorbate 20 solubilizer prevents separation of oils or fragrances, keeping formulations clear and free from cloudiness.
To use, simply mix one part essential oil or fragrance with one part Polysorbate 20 solubilizer, blend, and then incorporate into your product.
This method ensures your formulation retains Polysorbate 20 solubilizer's pristine, glass-like clarity.
Whether you're creating baby shampoos, body washes, or sophisticated cosmetics, Polysorbate 20 solubilizer is the key to achieving stable, high-quality products that meet the highest standards of clarity and performance.
Polysorbate 20 solubilizer is a non-ionic, hydrophilic surfactant derived from lauric acid and sorbitol.
Polysorbate 20 solubilizer is primarily used as a dispersing agent and solubilizer for essential oils, cosmetic fragrances, and oily substances in aqueous bases.
Due to its gentleness and ability to maintain solution transparency, Polysorbate 20 solubilizer allows for the creation of various products, from delicate facial toners to room sprays, without requiring the use of alcohol as a solvent.
Polysorbate 20 solubilizer is a gentle, non-ionic solubilizer and emulsifier used to blend essential oils, fragrance oils, and actives into water-based formulations.
Ideal for making body sprays, toners, mists, and cleansers, Polysorbate 20 solubilizer helps prevent separation and improves product texture and clarity.
Polysorbate 20 solubilizer is a mild, non-ionic solubilizer and emulsifier derived from sorbitol and natural fatty acids.
Polysorbate 20 solubilizer is widely used to disperse fragrance oils or essential oils in water-based formulations without the need for alcohol.
For home fragrance makers, Polysorbate 20 solubilizer is a reliable way to create clear, stable sprays where fragrance blends smoothly with water.
In room sprays Polysorbate 20 solubilizer helps prevent separation and cloudiness, resulting in a clean, professional-looking product.
Polysorbate 20 solubilizer is ideal for water-based room sprays, body mists and fabric sprays made with distilled water.
Polysorbate 20 solubilizer is also widely used in cosmetic and personal care formulations such as shampoos, conditioners, liquid soaps, bath products, scrubs and lotions.
By improving the dispersion of oils in water, Polysorbate 20 solubilizer helps achieve a smooth, stable texture and a more even fragrance distribution in the final product.
Polysorbate 20 solubilizer is a nonionic surfactant derived from sorbitol and lauric acid.
Polysorbate 20 solubilizer's primary function is solubilizing water-insoluble compounds into clear, stable aqueous solutions.
With FDA approval, Polysorbate 20 solubilizer is widely used in pharmaceutical formulations (e.g., injectable drugs) and flavor or fragrance products (e.g., beverages, cosmetics).
Polysorbate 20 solubilizer works by forming micelles – structures that trap hydrophobic ingredients like essential oils or active pharmaceutical ingredients (APIs) – ensuring even distribution and stability in water-based systems.
Polysorbate 20 solubilizer's broad pH stability and low irritation potential make it suitable for diverse applications, though proper storage and handling are crucial to prevent degradation.
Polysorbate 20 solubilizer (also known as Tween 20) is used in cosmetics and skin care products as an emulsifier, surfactant and fragrance dispersant and stabiliser.
Derived from coconut oil, this gentle, non-irritating solubiliser allows essential oils and fragrance oils to be mixed with water-based products without the use of alcohol.
Oil and water do not mix, so unless you use a dispersing agent the oils will separate from the water and generally float to the top.
Polysorbate 20 solubilizer can therefore be used to bind oils into water-based formulas.
Polysorbate 20 solubilizer is ideal for making aromatherapy room sprays, body sprays or linen sprays and can also be used in bath oils, body washes, shampoos, conditioners, creams and lotions.
Polysorbate 20 solubilizer acts as a viscosity modifier, anti-stat, stabilizer, wetting and dispersing agent.
Due to its low eye irritation property, Polysorbate 20 solubilizer can be combined with fragrance oil and water-based products like baby shampoos, body wash and toiletries.
Polysorbate 20 solubilizer has a shelf life of up to 1 year.
Polysorbate 20 solubilizer is a solubilizer with an HLB of 16.7; we use it to disperse oils into otherwise watery concoctions.
Compared to Polysorbate 80, Polysorbate 20 solubilizer is better suited to solubilizing essential oils and fragrance oils.
Polysorbate 20 solubilizer is also used as a mildness additive in detergent systems eg baby shampoo and cleansing agent in wet wipes”.
Polysorbate 20 solubilizer is produced by “produced by reacting the polyol, sorbitol, with ethylene oxide” (source).
Some people choose to avoid it because of contamination concerns with ethylene oxide and 1,4 dioxane.
These are known potential contaminants and are carefully monitored and tested for.
Purified versions of the ingredients (the ones we use) are safe.
You can read the full safety report from the CIR here.
Polysorbate 20 solubilizer is safe for use in cosmetics when used as directed.
Applications of Polysorbate 20 Solubilizer:
Polysorbate 20 solubilizer is widely used in cosmetics, personal care products, food, pharmaceuticals, cleaning products, and industrial formulations.
Polysorbate 20 solubilizer helps solubilize fragrances, essential oils, flavors, oils, and other hydrophobic ingredients in water-based systems.
Polysorbate 20 solubilizer is especially useful in creams, lotions, shampoos, sprays, beverages, flavor systems, topical products, and liquid formulations where clarity, uniformity, and stability are required.
Flavors and Fragrance Applications:
In the flavors and fragrance industry, creating products that retain their appeal and effectiveness over time is a top priority.
Polysorbate 20 solubilizer plays a key role in achieving this by ensuring formulation consistency.
Polysorbate 20 solubilizer's ability to solubilize and stabilize ingredients enhances both the visual and functional qualities of flavor and fragrance products.
Solubilizing Essential Oils:
Essential oils and fragrances are naturally hydrophobic, meaning they don’t mix easily with water-based formulations.
This presents challenges when developing products like flavored beverages, scented lotions, or aromatic cleaning solutions.
Polysorbate 20 solubilizer solves this by encapsulating hydrophobic oils, enabling them to disperse evenly in water-based products without separating.
Acting as a bridge between oil and water, Polysorbate 20 solubilizer ensures that fragrance oils remain fully integrated with the product base.
This is especially crucial in clear formulations, where any cloudiness or visible oil droplets would be immediately apparent.
By keeping the oils evenly dispersed, Polysorbate 20 solubilizer not only improves the visual clarity of products but also supports their overall stability.
Product Stability and Shelf-Life Improvement:
Temperature changes during storage and transport can compromise the integrity of fragrance and flavor formulations.
Polysorbate 20 solubilizer addresses this issue by modifying viscosity and ensuring oils are evenly distributed, similar to how dispersing agents improve pigment stability, which helps maintain clarity and stability under fluctuating conditions.
Polysorbate 20 solubilizer's dispersing action ensures that oils remain uniformly spread throughout water-based systems, resulting in consistent performance and sensory quality with each use.
This uniformity enhances the user experience while also extending the product’s shelf life.
By preserving both the clarity and fragrance of transparent, scented products, Polysorbate 20 solubilizer helps manufacturers create formulations that maintain their appeal and effectiveness over time.
This ensures products not only look great but also perform reliably, even in challenging storage environments.
Biopharmaceutical Applications:
Biopharmaceutical formulations often face challenges with poorly soluble active pharmaceutical ingredients (APIs) and unstable proteins.
Stabilizers for protein-based biopharmaceuticals, such as Polysorbate 20 solubilizer, play a key role in addressing these issues.
Polysorbate 20 solubilizer's nonionic surfactant properties boost solubility and stabilize proteins, helping maintain the integrity of formulations, even for APIs with limited water solubility.
These qualities directly contribute to improved API performance.
Solubilizing Active Pharmaceutical Ingredients (APIs):
Limited solubility is a common hurdle for many APIs, which can undermine their effectiveness.
Polysorbate 20 solubilizer helps tackle this by forming micelles that encapsulate hydrophobic molecules, significantly improving solubility.
For instance, a study published in AAPS PharmSciTech (May 2014) revealed that adding 0.35%–0.7% w/w Polysorbate 20 solubilizer to a 0.05 mol/L phosphate buffer at pH 6.5 increased the solubility of Candesartan Cilexetil (CC) from 0.8 μg/ml to 353 μg/ml.
When additional phosphate salts were included, solubility rose further to 620 μg/ml.
This improvement is vital for achieving "sink" conditions during dissolution testing.
Moreover, Polysorbate 20 solubilizer doubled the activation energy for degradation, providing added protection against drug breakdown.
Regulatory and Quality Compliance:
The solubility benefits of Polysorbate 20 solubilizer also carry regulatory importance.
As recommended by the FDA for dissolution methods, Polysorbate 20 solubilizer offers a reliable safety profile and consistent performance.
Polysorbate 20 solubilizer's biocompatibility and low toxicity make it a trusted excipient in formulations where patient safety is a top priority.
Drug Formulation Stability and Compatibility:
Beyond solubility, protein therapeutics often face risks of denaturation and aggregation.
Polysorbate 20 solubilizer helps mitigate these issues through a dual stabilization mechanism.
Polysorbate 20 solubilizer prevents protein degradation by interfacial competition, blocking interfaces and reducing protein adsorption at gas and liquid boundaries.
Additionally, Polysorbate 20 solubilizer's hydrophobic interactions further stabilize proteins.
This dual action preserves the structural integrity and biological activity of therapeutic proteins, ensuring they remain effective over time.
Features and Benefits of Polysorbate 20 Solubilizer:
Water-Soluble Emulsifier:
Polysorbate 20 solubilizer is highly valued as a water-soluble emulsifier that effectively blinds oil and water-based ingredients to stabilize and homogenize formulations.
This is crucial for developing products such as lotions, creams, and serums where a consistent texture and appearance are essential.
Effective Cosmetic Additive:
As an additive, the oily and watery texture of Solubilizer Polysorbate 20 solubilizer enhances the spreadability of liquids, while its surfactant and wetting properties improve the performance and texture of various formulations.
Viscosity Modifier:
Polysorbate 20 solubilizer acts as an effective viscosity modifier, allowing formulators to fine-tune the thickness of their products until they achieve the desired consistency and stability.
Dispersant:
Solubilizer Polysorbate 20 solubilizer diffuses oils throughout water-based formulations, preventing clumping or settling.
Gentle and Non-Irritating:
Suitable for sensitive skin types.
Function of Polysorbate 20 Solubilizer:
Polysorbate 20 solubilizer is added to water-based cosmetic formulations as the last component required for ensuring that essential oils and fragrance oils remain blended with the bases to which they are added.
Polysorbate 20 solubilizer's soothing, non-irritating quality makes it ideal for addition to formulations for bath products, for body and facial cleansers, for baby products, and for other transparent and scented products, as it helps retain both the fragrance and the clarity.
Solubility and Stability Mechanisms of Polysorbate 20 Solubilizer:
Polysorbate 20 solubilizer plays a key role in creating stable and effective formulations, thanks to its unique ability to solubilize and stabilize various ingredients across industries.
Micelle Formation and Solubilization:
The secret behind Polysorbate 20 solubilizer’s solubilizing power lies in its amphiphilic structure – meaning it has both water-loving (hydrophilic) and oil-loving (lipophilic) parts.
When added to water, these molecules naturally form micelles.
In this arrangement, the hydrophilic parts face outward toward the water, while the lipophilic parts gather inward, creating a core that can trap and hold onto hydrophobic substances like essential oils, fragrances, or certain pharmaceutical ingredients.
This micelle formation ensures these compounds remain evenly distributed in the solution, preventing separation and promoting stability.
This ability also supports its role in emulsifying and stabilizing complex mixtures.
Stabilization and Emulsification:
Polysorbate 20 solubilizer doesn’t just solubilize.
Polysorbate 20 solubilizer also helps stabilize formulations by reducing the chances of ingredient clumping or separating.
By lowering the interfacial tension between oil and water, Polysorbate 20 solubilizer creates smooth, uniform emulsions, even in cases where complete solubilization isn’t achieved.
This makes it especially valuable in products containing delicate biomolecules that require extra care to maintain their integrity.
Ease of Use in Manufacturing:
Another major advantage of Polysorbate 20 solubilizer is how easily it fits into standard manufacturing processes.
Polysorbate 20 solubilizer's liquid form at room temperature and compatibility with common measurement methods – whether volumetric or gravimetric – make it simple to handle and incorporate.
This adaptability ensures it integrates smoothly into quality control procedures and production workflows, even under varying process conditions.
Manufacturing of Polysorbate 20 Solubilizer:
When Sorbitol – a sugar alcohol that can be derived from either a vegetable or a fruit source – is treated with 20 moles of Ethylene Oxide, the chemical reaction results in Sorbitan Monolaurate, which is also known as a Polysorbate (specifically Polysorbate 20 solubilizer or Solubilizer).
Solubilizer is a water-soluble emulsifier, which binds water and oil together.
Polysorbate 20 solubilizer is a gentle, oily, liquid cosmetic additive that functions as a nonionic surfactant and wetting agent that enhances the spreadability of liquids.
As a solubilizer, Polysorbate 20 solubilizer helps both essential oils and fragrance oils to attach to various types of cosmetic bases, including liquid, cream, and gel bases, and thereby prevents the oils and bases from separating.
As a dispersant, Polysorbate 20 solubilizer also helps to diffuse oils throughout water and to prevent the oils from clumping or settling.
As an anti-static agent, Polysorbate 20 solubilizer helps to reduce and prevent the buildup of static charges.
Furthermore, Polysorbate 20 solubilizer is a thickener as well as a viscosity modifier, which helps prevent changes to a product’s viscosity when it is subjected to varying room temperatures, such as extreme cold or heat.
Stability and Reactivity of Polysorbate 20 Solubilizer:
Chemical stability:
Polysorbate 20 solubilizer is stable under recommended storage and handling conditions.
Reactivity:
No dangerous reaction is expected under normal conditions of use.
Polysorbate 20 solubilizer may react with strong oxidizing agents, strong acids, or strong bases.
Conditions to avoid:
Avoid excessive heat, open flames, direct sunlight, freezing, moisture, and contamination.
Incompatible materials:
Strong oxidizing agents, strong acids, strong bases, and reactive chemicals.
Hazardous decomposition products:
Thermal decomposition or combustion may produce carbon monoxide, carbon dioxide, and irritating organic fumes.
Handling and Storage of Polysorbate 20 Solubilizer:
Handling:
Handle in accordance with good industrial hygiene and safety practices.
Avoid contact with eyes, skin, and clothing.
Avoid breathing mist, vapors, or aerosols.
Storage:
Store in a cool, dry, and well-ventilated area.
Keep container tightly closed when not in use.
Storage conditions:
Protect from heat, direct sunlight, moisture, freezing, and contamination.
Store away from incompatible materials.
Packaging materials:
Keep in original sealed containers or suitable plastic drums, metal drums, IBC containers, or lined industrial packaging.
Shelf life:
Stable under recommended storage conditions.
First Aid Measures of Polysorbate 20 Solubilizer:
Inhalation:
Move person to fresh air.
If breathing difficulty, coughing, or irritation occurs, seek medical attention.
Skin contact:
Wash affected area with soap and plenty of water.
Remove contaminated clothing if necessary.
Seek medical attention if irritation persists.
Eye contact:
Rinse cautiously with clean water for several minutes.
Remove contact lenses if present and easy to do.
Continue rinsing and seek medical attention if irritation persists.
Ingestion:
Rinse mouth with water.
Do not induce vomiting unless instructed by medical personnel.
Seek medical attention if discomfort occurs.
Most important symptoms:
May cause mild irritation to eyes, skin, or respiratory tract depending on exposure level.
Firefighting Measures of Polysorbate 20 Solubilizer:
Suitable extinguishing media:
Use water spray, foam, dry chemical powder, or carbon dioxide.
Unsuitable extinguishing media:
Do not use a direct high-pressure water jet, as Polysorbate 20 solubilizer may spread the material or fire.
Specific hazards:
Product may burn under fire conditions.
Combustion may produce carbon monoxide, carbon dioxide, smoke, and irritating organic fumes.
Protective equipment for firefighters:
Firefighters should wear self-contained breathing apparatus and full protective clothing.
Firefighting instructions:
Cool containers exposed to fire with water spray.
Prevent contaminated firefighting water from entering drains or waterways.
Accidental Release Measures of Polysorbate 20 Solubilizer:
Personal precautions:
Avoid contact with eyes, skin, and clothing.
Avoid breathing mist, vapors, or aerosols.
Use appropriate personal protective equipment.
Environmental precautions:
Prevent material from entering drains, soil, surface water, or waterways.
Methods for containment:
Stop the leak if it is safe to do so.
Contain spilled material with inert absorbent material.
Methods for cleaning up:
Absorb with sand, earth, vermiculite, or other inert absorbent material.
Collect into suitable labeled containers for disposal.
Clean the contaminated area with water and detergent.
Disposal:
Dispose of collected material according to local, regional, and national regulations.
Exposure Controls / Personal Protective of Polysorbate 20 Solubilizer:
Engineering controls:
Use adequate ventilation, especially where mist, vapor, or aerosols may be generated.
Respiratory protection:
Normally not required under standard handling conditions.
Use suitable respiratory protection if ventilation is insufficient or aerosol formation occurs.
Hand protection:
Wear protective gloves suitable for chemical handling.
Eye protection:
Wear safety glasses or chemical splash goggles.
Skin and body protection:
Wear suitable protective clothing to prevent prolonged or repeated skin contact.
Hygiene measures:
Wash hands after handling and before eating, drinking, or smoking.
Remove contaminated clothing and wash before reuse.
Keep away from food, beverages, and animal feed.
Identifiers of Polysorbate 20 Solubilizer:
INCI: Polysorbate 20 solubilizer
Appearance: Pale yellow liquid
Usage rate: 1–20%
Texture: Smooth semi-viscous liquid
Scent: Nothing strong; a bit “chemically”
pH: 5–7 (1% aqueous solution)
Charge: Non-ionic
Solubility: Water & oil
E No.: E432
CAS No.: 9005-64-5
EC No.: 500-018-3
Properties of Polysorbate 20 Solubilizer:
Appearance: Clear to slightly yellow viscous liquid
Odor: Mild characteristic odor
Solubility: Soluble or dispersible in water
HLB value: Approximately 16.7
Ionic nature: Non-ionic
