Humectant
GLYCERYL HYDROXYBUTYRATE
Safety score · 0–100
Good
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A glycerin ester of beta-hydroxybutyric acid — combines glycerin's humectancy with a bio-inspired metabolite. Topical use is benign; the parent acid's pharmacological profile is not relevant once esterified at cosmetic levels.
Function
Skin benefits
- Hydrating skin conditioner
- Mild humectant action
- Compatible with sensitive skin
- Bio-inspired by endogenous metabolites
Known concerns
- Limited independent dermatological data
- Pure hydroxybutyrate has narcotic systemic profile (not relevant to topical glyceryl ester)
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related humectants
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.