Melissa Officinalis (lemon balm) Leaf Extract is a plant-derived ingredient valued for its antioxidant, antimicrobial, and soothing properties, often attributed to rosmarinic acid and other polyphenols. It is used in topical formulations to help calm skin and may have antiviral activity studied in the context of herpes simplex.
| Reported effect | How often | Notes |
|---|---|---|
| Allergic contact dermatitis | Rare | Sensitization to plant components may cause localized redness or itching in predisposed individuals. |
| Skin irritation | Uncommon | Mild stinging or redness can occur, particularly with higher concentrations or on sensitive skin. |
| Photosensitivity | Very rare | Limited reports; some botanical extracts may theoretically increase light sensitivity. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.