03 Jul 2023 --- The EU is taking steps to limit cosmetic silicones octamethylcyclotetrasiloxane (D4), decamethylcyclopentasiloxane (D5) and dodecamethylcyclohexasiloxane (D6) in the EU and potentially worldwide. Via a draft proposal, the EU Chemicals Agency (ECHA) suggests adding these silicones to the Stockholm Convention, a global treaty aiming to reduce the use of persistent organic pollutants (POP).