Ingredient · INCI listed
Beta-Glucan
Beta-glucan is a polysaccharide derived from oats, yeast, or mushrooms — a humectant with documented immunomodulating and wound-healing effects. It's often described as "smarter than hyaluronic acid" in K-beauty marketing, though both have their place.
Evidence — Promising
Data summary
Products containing
41
Most common in
12 products
moisturizers
Typical pairing
Centella Asiatica (Cica)
Evidence level
Promising. Strong evidence for wound healing and barrier support. Hydration comparable to hyaluronic acid with added immunomodulating effects. Oat-derived beta-glucan has the most consumer skincare research; yeast-derived has more medical/pharmaceutical data.
Where it shows up