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  • Principals from around the globe

  • Principals from around the globe

  • Principals from around the globe

  • Principals from around the globe

  • Principals from around the globe

An emulsifier (also known as an "emulgent") is a substance that stabilizes an emulsion by increasing its kinetic stability. One class of emulsifiers is known as "surface active agents", or surfactants.

When it comes to cosmetics, an emulsifier refers to any ingredient that helps keep unlike ingredients (such as oil and water) from separating in an emulsion. Examples of cosmetic ingredients that function as emulsifiers include the polysorbates, laureth-4, and potassium cetyl sulfate. Emulsifiers are widely used in throughout the cosmetics industry and are the unsung heroes of many cosmetic formulas that blend unlike ingredients together.