Glucomannan

Glucomannan is a water-soluble polysaccharide derived from konjac root and incorporated into cosmetic and personal care products. It works as a thickener and film-former that increases viscosity and texture, aiding moisture retention at the skin's surface.
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Ingredient Snapshot

Overview
Konjac root fiber that helps skin hold moisture and feel cushioned.
Category
Hydration, Skin Conditioning
Type
Thickener

Ingredient Ratings

Overall Rating

Good

Comedogenic Risk

None

Skin Benefits

Helps skin feel cushioned and soft by holding water near the surface, reducing the look of dryness and flaking.

Uses In Skincare & Cosmetics

Used in hydrating gels, sheet masks, and moisturizers to create a plush, bouncy texture. Also added to serums to improve glide and reduce tackiness.

Comedogenic Rating

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

Safety

Low irritation potential and typically non-comedogenic when formulated well. Rare users may notice transient tightness or pilling in heavy layers; adjust application if this occurs. No notable topical regulatory limits.

Is Glucomannan a Good Ingredient?

It's Good because it's a reliable, water-soluble polysaccharide that forms a hydrating film and improves texture with a strong safety profile. It doesn't reach Great because it isn't an active that transforms skin on its own, and its benefits are mainly sensory and surface-level moisture retention.

Products with Glucomannan

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