Sulisobenzone (benzophenone-4) is an ingredient in some

sunscreen Sunscreen, also known as sunblock or sun cream, is a photoprotective topical product for the skin that mainly absorbs, or to a much lesser extent reflects, some of the sun's ultraviolet (UV) radiation and thus helps protect against sunburn and ...

s which protects the skin from damage by UVB and UVA

ultraviolet light Ultraviolet (UV) is a form of electromagnetic radiation with wavelength from 10 nm (with a corresponding frequency around 30 PHz) to 400 nm (750 THz), shorter than that of visible light, but longer than X-rays. UV radiation i ...

.Skin cancer foundation: Understanding UVA and UVB
/ref> Its

sodium Sodium is a chemical element with the symbol Na (from Latin ''natrium'') and atomic number 11. It is a soft, silvery-white, highly reactive metal. Sodium is an alkali metal, being in group 1 of the periodic table. Its only stable iso ...

salt, sulisobenzone sodium, is also referred to as

benzophenone-5 Sulisobenzone (benzophenone-4) is an ingredient in some sunscreens which protects the skin from damage by UVB and UVA ultraviolet light. Its sodium Sodium is a chemical element with the symbol Na (from Latin ''natrium'') and atomic n ...

References

Benzenesulfonic acids Sunscreening agents Phenols Phenol ethers Benzophenones {{ketone-stub