Humectant
MAGNESIUM 3-HYDROXYBUTYRATE
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
The magnesium salt of 3-hydroxybutyric acid (a natural ketone body), used as a humectant and skin-conditioning ingredient. Tolerated in cosmetic use, with thin published dermal data.
Function
Skin benefits
- Mild humectant
- Skin-conditioning agent
- Supplies magnesium and beta-hydroxybutyrate moieties
Known concerns
- Limited independent dermal data
- Not yet on major regulatory review lists
- Possible minor pH-related effects in formulation
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.