Thymus Serpillum (wild thyme) Extract is a plant-derived ingredient used in skincare for its antioxidant, antimicrobial, and soothing properties, largely attributed to phenolic compounds such as thymol and rosmarinic acid. It is commonly included to support skin conditioning and as a natural preservative booster.
| Reported effect | How often | Notes |
|---|---|---|
| Contact irritation | Uncommon | Mild redness or stinging, more likely with higher concentrations or on sensitive skin. |
| Allergic contact dermatitis | Rare | Sensitization possible, particularly in individuals allergic to Lamiaceae (mint family) plants. |
| Phenol-related irritation (thymol) | Rare | Thymol content may cause localized irritation in predisposed individuals. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.