Oat Protein Extract
Also known asAvena Sativa (Oat) Protein, hydrolyzed oat protein, Avena sativa
FunctionProtein conditioner
What it is — Oat Protein Extract is the protein fraction of oat grain (Avena sativa), often partly hydrolysed into smaller peptides so it can interact with the hair surface. Oats also contribute beta-glucan and avenanthramides, the compounds behind colloidal oatmeal's soothing reputation.
What it does — It forms a light film on the hair that smooths the cuticle, improves manageability and helps the hair hold water; on the scalp it is soothing. It is not a colourant.
Typical use — Conditioners, shampoos for sensitive scalps, colour shampoos and skin care. In the GDS Hair Dye Shampoo it is declared in all three shades as a supporting botanical, alongside peony root, sage and black bean extracts.
Who it suits / good to know — Suits colour-treated, dry and fine hair alike; protein films are light. People with a coeliac diagnosis sometimes ask about oats in cosmetics — a rinse-off product is not a dietary exposure, but note its presence if that matters to you.
Safety — The US Cosmetic Ingredient Review (CIR) has assessed oat-derived ingredients as safe in cosmetics, and it is not restricted under the EU Cosmetics Regulation. Oat allergy is rare but reported; patch-test if you have reacted to oats on the skin before. This is general information, not medical advice.
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