Antioxidant
PENTAPEPTIDE-121
Safety score · 0–100
Good
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A synthetic pentapeptide of aspartic acid, isoleucine and valine with antioxidant activity, used to defend skin against oxidative damage. Well-tolerated at trace cosmetic concentrations.
Function
Skin benefits
- Antioxidant activity
- Helps protect skin from oxidative damage
- Supports overall skin health
Known concerns
- Limited independent clinical data
- Proprietary peptide with thin literature
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.