Emulsifier from stearic and lactic acids. Safe, allowed as a food additive. In cosmetics gives stable emulsions without a greasy feel.
Topical application
BLimited evidence. One RCT or several controlled studies with limitations.
Mainstream food and cosmetic emulsifier. Allergy is extremely rare, safety is high.
Sodium Stearoyl Lactylate (SSL, E481) is a non-ionic emulsifier ester from stearic and lactic acids. Made by esterifying both fatty components with the sodium salt. Mechanism. Builds stable o/w (oil-in-water) emulsions with a light non-greasy texture. Additionally acts as a co-emollient and softens the after-feel of the finished product. Biocompatible, approved as a food additive. Where applied. Creams, body lotions, light emulsions, BB creams, sensitive-skin products. In Spain it features in Bioderma Atoderm, La Roche-Posay Lipikar and many mineral sunscreens. Safety. CIR and FDA confirmed safety as a food and cosmetic ingredient. Non-sensitizing, non-comedogenic. No systemic absorption through intact skin. Pregnancy and lactation – safe.
Irritation potential
LowAllergen risk
LowPregnancy
SafeSuitable for
The Evigrade extension adds an evidence panel to Wildberries, Goldapple, Letu, iHerb, Sephora and 12 more stores. This ingredient and every other one in the product show evidence-tier, allergen risk and pregnancy/lactation flags at a glance.
Sodium Stearoyl Lactylate is considered safe during pregnancy at typical cosmetic concentrations. Systemic absorption through the skin is minimal.
Sodium Stearoyl Lactylate suits: normal, dry, oily, combination, sensitive.
Emulsifier from stearic and lactic acids.
The INCI name is Sodium Stearoyl Lactylate. It may also appear as: SSL.
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