Skin Conditioning
NICOTINOYL PENTAPEPTIDE-33
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A five-amino-acid peptide with a niacin (B3) group attached. Used at micro-doses for brightening and skin-conditioning; generally mild.
Nicotinoyl pentapeptide-33 is a synthetic pentapeptide functionalized with a nicotinoyl group derived from niacin (vitamin B3). It pairs peptide chemistry with niacinamide-like effects such as brightening and barrier support. Used in leave-on skincare at ppm concentrations. Nicotinic acid derivatives may cause transient flushing in some users through prostaglandin-mediated vasodilation. No SCCS or CIR review for this specific peptide exists; efficacy data is supplier-generated. No GHS hazards apply at cosmetic use levels.
Function
Skin benefits
- Niacin-peptide conjugate for brightening and barrier support
- Trace-level use profile reduces exposure risk
- Supplier data suggests skin-conditioning benefit
Known concerns
- No SCCS or CIR dossier for this specific molecule
- Potential for transient flushing from nicotinoyl chemistry
- Efficacy based on proprietary studies
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.