Watch-out database → Detailed ingredient information:

Octamethylcyclotetrasiloxane (D4) / CYCLOTETRASILOXANE

CAS Nr.

556-67-2

Restricted as per EC regulation 1223/2009?

Entries

Other observations

Date of update Deadline Content of update Reference Source Obelis articles
22/05/2019 22/06/2019 No rinse off nor leave on products may contain D4. Hence cosmetic products containing it should be reformulated. EU regulation 1223/2009 (ammendment of Annex II by Commission regulation 2019/831) EC 22/07/2019 - Newly banned ingredients under the EU Cosmetics Regulation
22/07/2019 - Newly banned ingredients under the EU Cosmetics Regulation
20/01/2020 - Silicones on the spot – again