Isoamyl p-Methoxycinnamate is an oil-soluble organic UV filter that primarily absorbs UVB radiation, used in sunscreens and cosmetic products to provide photoprotection. It is a cinnamate derivative structurally related to ethylhexyl methoxycinnamate.
| Reported effect | How often | Notes |
|---|---|---|
| Contact irritation | Rare | Mild skin irritation occasionally reported, especially in sensitive individuals. |
| Allergic contact dermatitis | Rare | Sensitization is possible, with potential cross-reactivity among cinnamate-based filters. |
| Photoallergic reaction | Very rare | Isolated reports of photosensitivity associated with cinnamate UV filters. |
| Eye irritation | Rare | Stinging or irritation 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.