25 May Cyclopentasiloxane in Cosmetics: New Restrictions on D4, D5 and D6
Cyclopentasiloxane, Cyclotetrasiloxane and Cyclohexasiloxane are cyclic siloxanes used in cosmetic formulations, particularly to improve spreadability, lightness and the silky sensory profile of products. From a regulatory perspective, these substances correspond to: INCI nameAbbreviationChemical nameCAS numberCyclotetrasiloxaneD4Octamethylcyclotetrasiloxane556-67-2CyclopentasiloxaneD5Decamethylcyclopentasiloxane541-02-6CyclohexasiloxaneD6Dodecamethylcyclohexasiloxane540-97-6 Commission Regulation (EU) 2024/1328 amends Annex XVII to Regulation (EC) No 1907/2006, known...