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Cosmetics Ingredients
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Cosmetics Ingredients

POTASSIUM CETYL PHOSPHATE

CAS Number 84861-79-0, 19035-79-1
Chem/IUPAC Name: Potassium; hexadecyl hydrogen phosphate
EINECS/ELINCS No: 84861-79-0, 19035-79-1
COSING REF No: 79512
POTASSIUM CETYL PHOSPHATE
Potassium cetyl phosphate is a whitish powder that is considered the gold standard in emulsifiers for difficult-to-stabilize emulsions. It is a highly effective oil-in-water anionic emulsifier and is found in creams, shower gels, liquid soaps, shampoos, skincare, and sun care products. It also works as a surfactant.

What is POTASSIUM CETYL PHOSPHATE used for?

Potassium cetyl phosphate in cosmetics is found in numerous products like creams, shower gels, facial cleansers, shampoos, sunscreens, makeup removers, etc. It is used as an emulsifier and a surfactant in cosmetics and personal care products.
  • Skin care: It is non-irritating to the skin. It is popular in sunscreens as it can boost SPF protection and increase the water resistance of the formula. As an emulsifier, it improves product consistency to enable even distribution on the skin

Origin

Potassium cetyl phosphate is obtained by mixing phosphoric acid esters and cetyl alcohol with potassium.

What does POTASSIUM CETYL PHOSPHATE do in a formulation?

  • Emulsifying
  • Surfactant

Safety profile

The Cosmetic Ingredient Review (CIR) Expert Panel has reviewed Potassium cetyl phosphate as safe to use in cosmetics but it can irritate sensitive skin.

Technical profile

Property Values
Melting Point 161-166°C
pH 6.5-8.5
Solubility Partially soluble in water
73
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