Sodium Dextran Sulfate

Sodium dextran sulfate is a sulfated polysaccharide salt from fermented dextran, made via biotechnology. In cosmetics it forms a light film and stabilizes textures for a hydrated feel, though evidence for distinct skin effects is limited.
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Ingredient Snapshot

Overview
A sugar-derived polymer that gives skin an instant hydrated feel.
Category
Hydration, Skin Conditioning
Type
Film Former

Ingredient Ratings

Overall Rating

Fair

Comedogenic Risk

None

Skin Benefits

It gives an instant smoothing, hydrated feel by forming a light, flexible film on skin, though evidence for distinct long-term skin improvements is limited.

Uses In Skincare & Cosmetics

It's used in hydrating serums, essences, eye gels, and sheet masks to boost slip and a soft finish, and appears in gel moisturizers to help stabilize texture.

Comedogenic Rating

This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.

Safety

It's typically low irritation at cosmetic use levels, but the sulfated polymer can occasionally feel tacky or cause minor stinging on compromised or delicate skin. Avoid direct contact with eyes if sensitivity occurs.

Is Sodium Dextran Sulfate a Good Ingredient?

It rates Fair: it provides film-forming slip and a hydrated feel, but strong evidence for unique, long-term skin benefits is limited. Some users may experience transient tightness or mild irritation, especially around the eyes.

Products with Sodium Dextran Sulfate

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