Humectant
HYDROXYECTOIN
Safety score · 0–100
Excellent
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A souped-up version of ectoin from extremophile bacteria — it shields skin from stress, locks in moisture and supports the barrier. One of the cleanest, best-studied actives in modern skincare.
Function
Skin benefits
- Stabilises proteins and skin lipids against stress
- Barrier protection in UV and dryness stress models
- Excellent humectant moisture-binding
- Soothing on reactive skin
- Biodegradable and well-tolerated
Known concerns
- No significant concerns at cosmetic concentrations
- Cost may drive sub-efficacious dosing in cheaper products
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.