Watermelon (Citrullus lanatus) extract is a botanical ingredient rich in amino acids (notably citrulline), vitamins (A, C), and antioxidants used to hydrate, soothe, and provide free-radical protection. It is generally well tolerated and valued for its emollient and moisturizing properties.
| Reported effect | How often | Notes |
|---|---|---|
Mild irritation or stinging | Uncommon | More likely on sensitive or compromised skin, often related to formulation rather than the extract itself. |
Allergic contact dermatitis | Rare | Possible in individuals sensitized to cucurbitaceae-family plants; presents as redness or itching. |
Contact urticaria | Very rare | Isolated reports linked to fruit allergy; immediate hives on contact. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.