acylated_amino_acid
STEAROYL LEUCINE
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
Stearoyl leucine is a fatty-acid acylated amino acid used to coat powder particles in cosmetics, improving slip and adhesion with limited independent safety review.
Skin benefits
- used as a powder coating to improve skin feel in pressed makeup
- imparts soft, smooth texture
- amino acid-derived, biodegradable backbone
Known concerns
- inhalation risk in loose powders
- limited long-term human dermal data
- purity and process residues vary by supplier
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.