Ceteareth-20
Non-ionic emulsifier based on cetearyl alcohol and ethylene oxide. A universal component for oil-in-water emulsions in creams, lotions, and hair conditioners. Forms stable emulsions with a silky after-feel. One of the most widely used emulsifiers in mass-market cosmetics.
Evidence by route
Topical application
BLimited evidence. One RCT or several controlled studies with limitations.
Functional emulsifier. No standalone skin effect. CIR assessment is favourable.
- Cosmetic Ingredient Review (CIR). Safety assessment of ethoxylated fatty alcohols. 2019.
Tolerability and safety
Irritation potential
LowAllergen risk
LowPregnancy
SafeSkin types
Suitable for
NormalDryCombinationOily
Use with caution
Sensitive
Frequently asked questions
Is Ceteareth-20 safe during pregnancy?
Ceteareth-20 is considered safe during pregnancy at typical cosmetic concentrations. Systemic absorption through the skin is minimal.
What skin types is Ceteareth-20 for?
Ceteareth-20 suits: normal, dry, combination, oily. Use with caution in: sensitive.