Olfactionary2,2',4,4'-Tetrahydroxybenzophenone
At a glance
Synthetic UV‑filter derived from benzophenone, 2,2',4,4'-tetrahydroxybenzophenone is made by condensation of hydroxy‑phenyl precursors; it is odorless and used for UV protection, not as a fragrance note.
Why synthetics aren't a downgrade — a different toolkit → · Why some materials get IFRA-restricted →