This ingredient provides broad-spectrum photoprotection, absorbing or reflecting UVA (and often UVB) radiation to reduce skin damage from sun exposure. It is incorporated into sunscreens and daytime products to help prevent photoaging, sunburn, and UV-induced pigmentation.
| Reported effect | How often | Notes |
|---|---|---|
Mild skin irritation or stinging | Uncommon | Transient redness or burning, especially on sensitive or compromised skin. |
Contact dermatitis | Rare | Irritant or allergic reaction in predisposed individuals. |
Eye irritation | Uncommon | Stinging or watering if product migrates into the eyes. |
Photoallergic reaction | Rare | Reaction triggered by combination of the filter and UV exposure. |
Acneiform breakouts | Rare | May occur with occlusive formulations in acne-prone skin. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.