Description
Disodium Phenyl Dibenzimidazole Tetrasulfonate is a heterocyclic compound of organic, sulfonated nature, belonging to the family of benzimidazole derivatives tetrasubstituted with sodium sulfonate groups. Its international nonproprietary name is bisdisulizole disodium. Its declared technical functions are light stabilizer, UV absorber and UV filter. Substances of this type are used in cosmetics to selectively absorb ultraviolet radiation within a specific range of the solar spectrum, contributing to the photochemical stability of formulations.
Under Regulation (EC) No 1223/2009 on cosmetic products, the substance is listed in Annex VI, reference 24, the list of authorized UV filters. The maximum permitted concentration in the ready-to-use cosmetic product is "10%(as acid)", expressed as acid. The entry sets no additional restrictions on the type of product in which it may be incorporated, nor any supplementary particular conditions beyond the quantitative limit indicated. Nor are any specific mandatory warnings prescribed for its declaration on the labelling. The substance is not classified as carcinogenic, mutagenic or toxic for reproduction under the harmonized criteria of Regulation (EC) No 1272/2008.
The information presented is for technical reference only and does not constitute a recommendation for use or an efficacy claim.