Rosmarinus Officinalis (Rosemary) Leaf Water is the aqueous distillate from rosemary leaves, used in skincare as a mild astringent, soothing agent, and source of antioxidant and aromatic compounds. It typically serves as a water-phase base or auxiliary ingredient rather than a primary active.
| Reported effect | How often | Notes |
|---|---|---|
| Contact irritation | Uncommon | Mild stinging or redness, more likely on sensitive or compromised skin. |
| Allergic contact dermatitis | Rare | Sensitization linked to residual essential-oil components or fragrance constituents. |
| Eye irritation | Rare | Possible if product is applied near the eyes. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.
Peer-reviewed papers on this ingredient, via PubMed.