Skin Conditioning
ACETYL D-LEUCYL D-SERINYL D-SERINYL D-PHENYLALANINE
Safety score · 0–100
Good
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
An acetyl-capped synthetic peptide built entirely from D-amino acids — engineered to resist skin enzymes and last longer in formula. Class has a clean cosmetic safety record; novelty caps confidence.
Function
Skin benefits
- D-amino-acid backbone resists skin enzymes
- Acetyl-capped for stability
- Skin-conditioning signal peptide
Known concerns
- Sparse public toxicology for this sequence
- Sensitisation not formally excluded
- Cosmetic-grade purity matters
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related skin conditionings
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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.