Beta-Glucan

Beta-glucan is a water-soluble polysaccharide derived from oats, yeast, or mushrooms. Skincare uses it as a humectant that binds moisture, adding slip, cushion, and comfort in gentle, barrier-focused formulas.
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Snapshot

Overview
Draws in moisture to soothe and smooth the skin.
Category
Hydration, Barrier Support, Soothing, Sensitive Skin
Type
Humectant

Ratings

Overall Rating

Great

Comedogenic Risk

None

Not typically evaluated for comedogenicity — no standardized rating available.

Is Beta-Glucan a Good Ingredient?

Consistent data support it as an effective humectant and soothing polymer, and it shows good formulation stability with a low irritation profile suitable for sensitive skin, which together justify the Great rating.

Skin Benefits

Helps skin feel soothed and look smoother by increasing surface hydration, and reduces the sensation of tightness for a calmer appearance.

Uses in Skincare & Cosmetics

Included in hydrating serums, essences, sheet masks, and moisturizers for gentle, sensitive-skin routines.

Safety

Generally well tolerated with low irritation potential. Rare reactions can occur depending on the source, such as oat or yeast; discontinue use if redness or itching appears.