What does beta-glucan do?

Beta-glucan is a naturally occurring polysaccharide studied for its potential effects on skin hydration and immune support.

Published safety reviews show no identified concerns with beta-glucan in cosmetics at typical use levels.

Why use it in skincare?

It functions as a humectant and may support skin barrier health and comfort, making it a common ingredient in moisturizers.

humectant · active

Beta-Glucan

Generally safe·Moderate evidence

A polysaccharide extracted from yeast cell walls or oat bran. Used for hydration and skin conditioning, beta-glucan is well tolerated with emerging evidence for supporting skin barrier function. No safety concerns flagged in cosmetic use.

Questions

What does beta-glucan do?: Beta-glucan is a naturally occurring polysaccharide studied for its potential effects on skin hydration and immune support.
Is it safe?: Published safety reviews show no identified concerns with beta-glucan in cosmetics at typical use levels.
Why use it in skincare?: It functions as a humectant and may support skin barrier health and comfort, making it a common ingredient in moisturizers.

Products with Beta-Glucan

References

EU CosIng: Beta-Glucan ↗

Cosmetic information for general education, not medical advice. A verdict is a reading of the published evidence, never a guarantee for your skin: any ingredient can irritate someone, so patch test new products and see a professional if you react. Concern is graded on cited evidence, never on hazard-score lists. See how we score.