Bisdisulizole disodium ( INN/ USAN, trade name Neo Heliopan AP, INCI disodium phenyl dibenzimidazole tetrasulfonate) is a water-soluble organic compound which is added to

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 to absorb

UVA UVA most often refers to: * Ultraviolet A, a type of ultraviolet radiation * University of Virginia, a public research university in Charlottesville, Virginia, United States Uva or UVA may also refer to: Places * Uva, Missouri, an unincorpora ...

rays. It is marketed by

Symrise Symrise AG is a major producer of flavours and fragrances with sales of €3.154 billion in 2018. Major competitors include Döhler, Firmenich, Givaudan, International Flavors and Fragrances, and Takasago International. Symrise is a member of th ...

. Bisdisulizole disodium is not approved in the United States by the

FDA The United States Food and Drug Administration (FDA or US FDA) is a federal agency of the Department of Health and Human Services. The FDA is responsible for protecting and promoting public health through the control and supervision of food s ...

, but it has been approved in the European Union since the year 2000 and other parts of the world.

References

Benzimidazoles Sunscreening agents Organic sodium salts Sulfonates {{dermatologic-drug-stub