Beauty EncyclopediaBeta-Glucan

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Beta-Glucan

Also known as: Oat Beta-Glucan, Yeast Beta-Glucan, β-Glucan

Generally SafehumectantEWG: 1

A powerful anti-inflammatory humectant from oat or yeast that strengthens the skin's immune response.

How it works

Beta-glucan is a polysaccharide found in oat bran and yeast cell walls. It binds to immune receptors in the skin, modulating inflammatory responses and stimulating wound healing. As a humectant, it forms a film on skin that holds moisture. Oat-derived beta-glucan has collagen-stimulating effects and clinical data showing reduction in wrinkle depth.

Best for

Sensitive skinRednessDry skinAnti-ageingPost-procedure

Commonly found in

Sensitive skin serumsAnti-ageing moisturizersCalming masks

✅ Pairs well with

Safety & restrictions

No known safety concerns. Oat allergy rarely manifests as topical skin reaction, but caution in severe oat allergy.

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For informational purposes only. Not medical advice. Consult a dermatologist for personalised guidance.