Oxybenzone (2-Hydroxy-4-methoxybenzophenone) is an organic chemical compound, aromatic hydrocarbon.

Chemical name (2-hydroxy-4-methoxyphenyl)-phenylmethanone

Molecular Formula C14H12O3

Safety
It is considered an endocrine disrupting chemical due to its antiandrogenic and anti-estrogenic properties.
Matouskova, K. (2022). Oxybenzone and the Mammary Gland: Impact of an Environmental Pollutant on Health, Disease & Ethical Decision-Making.
Vuckovic, D., Tinoco, A. I., Ling, L., Renicke, C., Pringle, J. R., & Mitch, W. A. (2022). Conversion of oxybenzone sunscreen to phototoxic glucoside conjugates by sea anemones and corals. Science, 376(6593), 644-648.

What it is used for and where
Cosmetics
UV filter. It is the defining ingredient in sun creams that can mitigate the sun's ultraviolet (UV) radiation, which is a high risk factor for the development of skin cancer, erythema and photo-ageing.

UV absorber. It acts by intercepting ultraviolet light before it can cause damage by reducing its energy through dissipation and returning it to a lower energy state.
Synonyms: EC number 205-031-5
UNII 95OOS7VE0Y
DTXSID3022405
2-Benzoyl-5-methoxyphenol
Trade name:

CAS: 131-57-7