Humectant
NICOTINOYL SH-NONAPEPTIDE-3
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A lab-made peptide used to alter the look of discoloration, pull water into skin, and condition nails. It is usually acceptable in well-formulated products, though sensitive skin can still react.
This is a synthetic or recombinant peptide designed for conditioning or signaling effects, and peptides usually have lower skin penetration than small molecules. At typical cosmetic use levels, the main downside is local irritation, allergy, or formula-dependent sensitivity rather than strong systemic risk.
Function
Skin benefits
- Can help brighten the look of skin
- Hydration support
- Barrier support
Known concerns
- Limited independent safety data for novel peptides
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.