Beta-glucan keeps showing up in 2026’s “better than hyaluronic acid?” conversations. It’s a hydrator with a calming bonus.
What it is
Beta-glucan is a polysaccharide (from oats, yeast, or mushrooms) that works as a humectant — but unlike pure hydrators, it’s also soothing and supports the skin’s own defenses and barrier.
vs hyaluronic acid
- Hyaluronic acid: a pure water-binder (how to use it).
- Beta-glucan: binds water and calms irritation, and is often described as penetrating a bit deeper.
It’s less “better than HA” and more a great partner — many formulas use both.
Who it’s for + how to use it
Ideal for sensitive, redness-prone, or compromised skin. Apply a beta-glucan serum or essence to damp skin, then seal with moisturizer. Gentle enough for daily AM/PM use, and it layers with virtually everything.