Butyl Methoxydibenzoyl Methane, also known as avobenzone, is an organic chemical sunscreen agent that primarily absorbs UVA radiation. It is widely used in sunscreens and daytime cosmetic products, often combined with stabilizers and other UV filters due to its inherent photoinstability.
| Reported effect | How often | Notes |
|---|---|---|
Contact dermatitis / skin irritation | Uncommon | Mild redness or irritation reported in some users, especially with sensitive skin. |
Allergic contact dermatitis | Rare | True allergic sensitization confirmed by patch testing is infrequent. |
Photoallergic or photocontact dermatitis | Rare | Can occur on sun-exposed skin, sometimes linked to degradation products from photoinstability. |
Eye irritation / stinging | Uncommon | Stinging or watering if 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.