Mannan

Mannan is a water-soluble polysaccharide of mannose units obtained from yeast, algae, or plants for cosmetic use, used to increase viscosity, suspend particles, and lend a smooth feel in gels, serums, and cleansers; performance varies by grade.
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Ingredient Snapshot

Overview
A plant sugar that thickens formulas for a plush, cushioned feel.
Category
Tone/Texture
Type
Thickener

Ingredient Ratings

Overall Rating

Fair

Comedogenic Risk

None

Skin Benefits

Creates a plush, cushioned feel and can help products spread more evenly, though evidence for direct skin improvements is limited beyond texture enhancement.

Uses In Skincare & Cosmetics

Common in essences, jelly moisturizers, and micellar face washes to build body and suspend actives.

Comedogenic Rating

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

Safety

Low irritation potential and broadly tolerated. Source variability (yeast/plant/algae) can change texture; patch test if very sensitive.

Is Mannan a Good Ingredient?

It reliably thickens and stabilizes formulas for a cushioned texture, but evidence for direct skin benefits is limited, which is why it rates Fair. Some grades can pill or feel tacky, which may affect the user experience.

Products with Mannan

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