SCCS published the official Opinion – SCCS/1660/23 – on Benzophenone-4 (CAS: 4065-45-6).
The SCCS safety assessment, also taking into account the concern related to the endocrine disrupting properties of the substance, concludes that Benzophenone-4 is safe when used as a UV filter at a maximum concentration of 5% in sunscreens, face and hand creams, all leave-on and rinse-off products (total dermal aggregate), lipsticks, sunscreen sprays (spray and propellant).
Any other use of Benzophenone-4 (e.g. stabiliser for light-exposed cosmetic formulations) must remain within the concentration limits indicated above.
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