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Steareth-20

Steareth-20

PEG-derived emulsifier made from stearyl alcohol and ethylene oxide. It is used in skincare and cosmetic products to help oil and water mix together, creating smooth, stable creams, lotions, and emulsions.

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Safety: PEG-derived ingredient, so it may be avoided by consumers seeking PEG-free products.
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Comedogenic rating(likelihood of clogging pores)
1/5 — Very low likelihood
✓ Does not disqualify fragrance-free, alcohol-free, SLS-free or paraben-free claims
Common names & aliases
Steareth 20Polyoxyethylene (20) Stearyl EtherPolyoxyethylene(20) Stearyl EtherPEG-20 Stearyl Ether
Functions
⚖️ Stabiliser
Prevents ingredients from separating, degrading, crystallising, or losing their intended texture and performance.
🔗 Emulsifier
Keeps oil and water phases mixed together in a stable formula.