Oligopeptide-198 is a synthetic cationic peptide used in skincare for its antimicrobial and oil-regulating properties, often included in formulations targeting acne-prone or blemish-prone skin. It works by disrupting microbial cell membranes and helping reduce surface bacteria.
| Reported effect | How often | Notes |
|---|---|---|
Mild transient redness | Uncommon | Typically resolves shortly after application |
Localized irritation or stinging | Uncommon | More likely on sensitive or compromised skin |
Dryness | Rare | Occasionally reported with frequent use |
Allergic contact dermatitis | Very rare | Hypersensitivity reactions are uncommon but possible |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.