Cyclotetrapeptide-24 is a synthetic cyclic peptide used in cosmetic formulations primarily for its skin-soothing and anti-inflammatory properties, often marketed to reduce sensitivity and redness. It is typically incorporated at low concentrations in serums and creams targeting reactive or sensitive skin.
| Reported effect | How often | Notes |
|---|---|---|
| Mild transient skin irritation | Rare | Occasional redness or stinging reported at application site, usually self-limiting. |
| Contact allergic reaction | Very rare | Sensitization is uncommon but possible with peptide ingredients in predisposed individuals. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.