Polysorbate 80 - Cosmetic Grade Polysorbate 80 is a solubilizer, emulsifier, wetting agent, viscosity modifier, dispersing agent, and stabilizer. Also referred to as Poly 80. Use in bath fizzies, milk bath, bath melts, furniture polish and more. Why People Use Poly 80: To solubilize heavier oils (such as fixed, vegetable and base oils) into water based products. Final product is cloudy. Popular Products That Use This Ingredient: Lotions. Creams. Scrubs. Hair Conditioner. Bath Oils. Room Sprays. Linen Sprays. Points of Interest: Specific Gravity @ 25ºC: 1.09 Saponification Value, mp KOH/g: 45.0 - 55.0 Paraben Free. Interesting Facts: Allows oil to bind with water.