In our reference data, Rosmarinus Officinalis Leaf Oil can feed Malassezia (fungal acne).
Rosmarinus Officinalis Leaf Oil (rosemary essential oil) is a plant-derived oil used in skincare for its antioxidant, antimicrobial, and aromatic properties. It is rich in compounds such as 1,8-cineole, camphor, and carnosic acid.
| Reported effect | How often | Notes |
|---|---|---|
Allergic contact dermatitis | Uncommon | Sensitization can occur, particularly with repeated exposure or in fragrance-sensitive individuals. |
Skin irritation | Uncommon | Redness, stinging, or burning, especially at higher concentrations or on compromised skin. |
Photosensitivity | Rare | Generally low risk, but some essential oils may increase sensitivity to sunlight. |
Contact urticaria | Rare | Hives or immediate localized reaction reported in isolated cases. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.
Peer-reviewed papers on this ingredient, via PubMed.