Skin Conditioning
TRIPEPTIDE-51
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
Tripeptide-51 — a proprietary signalling peptide. Plausible at low use levels; evidence base is mostly supplier-driven.
Tripeptide-51 is a synthetic three-amino-acid peptide used in cosmetics for skin-conditioning and anti-ageing claims. Listed in EU CosIng; no dedicated SCCS opinion. Use levels are typically in the parts-per-million range. Public toxicological data is limited; manufacturer dossiers provide in-vitro and small in-vivo tolerance data. Evidence level low. Standard profile for a modern synthetic peptide active.
Function
Skin benefits
- Synthetic signalling peptide
- Low-use-level exposure
- Short-term tolerance
Known concerns
- Proprietary evidence base
- No SCCS dossier
- Thin peer-reviewed data
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 — always read the physical product label and consult a healthcare professional for personal concerns.