Sodium starch octenylsuccinate is a plant-derived, chemically modified starch used in cosmetics. It disperses oils into water, stabilizes emulsions, improves slip, and helps suspend pigments in lotions, sprays, sunscreens, and liquid makeup.
A modified starch that stabilizes formulas and keeps pigments mixed.
Category
Emulsifying, Tone/Texture
Type
Emulsifier
Ingredient Ratings
Overall Rating
Great
Comedogenic Risk
None
Skin Benefits
It delivers a smooth, non-greasy finish and can make makeup appear more even by reducing clumping or separation, and improves slip for easier application and blending.
Uses In Skincare & Cosmetics
It's common in lotions, setting mists, liquid foundations, and sunscreens to keep formulas uniform and comfortable on skin.
Comedogenic Rating
This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.
Safety
It's considered low risk for irritation and suitable for most skin types. Rare sensitization is possible; discontinue if redness or itching occurs.
Is Sodium Starch Octenylsuccinate a Good Ingredient?
It earns a Great rating as a well-established, stable polymer emulsifier that improves texture and pigment dispersion with a low irritation profile and broad formulation compatibility.