Sodium Stearoyl Lactylate is an anionic emulsifier made from stearic and lactic acids for use in cosmetic products. It stabilizes oil-in-water mixtures, improves texture and spread, and provides mild skin conditioning during application.
An emulsifier that gives creams a silky feel and helps them glide.
Category
Emulsifying, Skin Conditioning
Type
Emulsifier
Ratings
Overall Rating
Great
Comedogenic Risk
None
Not typically evaluated for comedogenicity — no standardized rating available.
Our take
Is Sodium Stearoyl Lactylate a Good Ingredient?
It earns a Great rating as a well-established, stable emulsifier with extensive formulation use, reliable texture and stability performance, and a low irritation profile, while also imparting mild conditioning.
What it does
Skin Benefits
It gives creams a silky, cushioned feel and helps them glide on evenly, and can leave skin feeling softer without a heavy residue.
Where you'll find it
Uses in Skincare & Cosmetics
It's common in moisturizers, sunscreens, and conditioners to keep textures uniform and creamy in lotions, serums, and hair masks.
Before you use it
Safety
It's generally regarded as low-irritation and suitable for most skin types, including sensitive skin. No common regulatory restrictions are noted for typical cosmetic use.