Name | Polysorbate 80 | Polysorbate 20 |
Chemical Name | Polyoxyethylene (20) sorbitan monooleate | Polyoxyethylene (20) sorbitan monolaurate |
EEC NO. | E433 | E432 |
CAS NO. | CAS NO. 9005-65-6 | CAS NO. 9005-64-5 |
Ethylene Oxide Units | 20 | |
Source | Sorbitol and oleic acid | Sorbitol and lauric acid |
HLB Value | Approximately 15 | Approximately 16.7 |
Appearance | Amber-colored, viscous liquid | Pale yellow to yellow liquid |
Solubility | Soluble in water, ethanol, methanol; slightly soluble in oils | Soluble in water, ethanol, methanol; moderately soluble in oils |
Food Industry Applications | - Ice Cream: Prevents ice crystal formation, improving smoothness and creaminess. - Salad Dressings and Sauces: Keeps oil and water emulsified, ensuring consistent texture. - Baked Goods: Enhances dough conditioning, volume, and shelf life. |
-Flavor Oils:Used to solubilize flavor oils in beverages and other food products. -Consistency Improvement: Occasionally used to improve texture in various food applications. |
Cosmetics and Personal Care Applications | - Lotions and Creams: Blends oil and water, providing a smooth, homogeneous texture. -Shampoos and Conditioners: Distributes oils and active ingredients evenly, improving efficacy. - Makeup Removers: Effectively dissolves and removes makeup, even waterproof products. |
- Facial Cleansers: Mild and effective at emulsifying oils, making it suitable for sensitive skin. - Lotions and Moisturizers: Helps incorporate essential oils into water-based formulations. - Bath Oils: Disperses oils in bathwater, creating a uniform and luxurious bathing experience. |
Pharmaceutical Applications | - Injectable Solutions: Stabilizes active ingredients, ensuring even distribution. - Vaccines: Maintains potency and efficacy during storage and transport. - Topical Preparations: Creates smooth, easy-to-apply creams and ointments. |
- Topical and Oral Medications: Used to improve solubility and stability of active ingredients. - Mild Formulations: Suitable for formulations requiring gentle emulsification. |
Industrial Applications | - Textile Manufacturing: Acts as a wetting agent, improving dye penetration and uniformity. - Paints and Coatings: Enhances spreadability and stability of the products. |
- Milder Applications: Used in formulations where a gentler emulsifier is required, such as in certain industrial cleaning products. |
Safety and Regulatory Status | Both are generally recognized as safe (GRAS) by regulatory agencies like the FDA and EFSA. |