Butyl Methoxydibenzoylmethane, also known as avobenzone, is a widely used organic sunscreen agent that absorbs UVA radiation. It is often combined with photostabilizers and other UV filters because it can degrade with sun exposure.
| Reported effect | How often | Notes |
|---|---|---|
| Contact allergic reaction (allergic contact dermatitis) | Rare | Avobenzone is a recognized but uncommon cause of sunscreen allergy. |
| Photoallergic or photocontact dermatitis | Rare | Reactions triggered or worsened by sun exposure have been reported. |
| Skin irritation, redness, or stinging | Uncommon | Mild transient irritation may occur, particularly on sensitive or broken skin. |
| Eye irritation | Uncommon | Can cause stinging if the product migrates into 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.