Europe Restricts the Use of D4 and D5 in Wash-off Cosmetic Products

The European Commission has published new restrictions on the use of D4 and D5 in wash-off cosmetic products. The new regulations come into effect on February 1, 2020.
( | Press Release | 2018-02-14 10:46:16 )
On January 10, 2018, the European Commission (EC) announced new restrictions on the use of Octamethylcyclotetrasiloxane (D4) and Decamethylcyclopentasiloxane (D5) in wash-off cosmetic products. The changes were made in Regulation (EU) 2018/35 and they restrict the use of either substance to 0.1% by weight.

D4 has been recognized as a persistent, bioaccumulative and toxic (PBT) substance, and D5 is identified as a very persistent and very bioaccumulative (vPvB) substance. The criteria for these attributions is located in Annex XVIII of Regulation (EC) No. 1907/2006.

The disposal of these chemicals into water sources has given rise to environmental concerns about their use. Stakeholders should also be aware that D4 and D5 are known to evaporate over time, although at this time the EC has only set restriction limits on wash-off cosmetic products. Wash-off cosmetic products are defined in Article 2(1)(a) of Regulation (EC) No 1223/2009.

The new restriction comes into effect on February 1, 2020. Stakeholders are advised to now check their formulations to ensure they comply with the latest requirements for wash-off cosmetic products.

SGS Cosmetics & Personal Care Testing Services
SGS provides testing, inspection, auditing and consulting services to manufacturers, distributors and importers of cosmetic and personal care products. Their global network of state of the art laboratories offer custom-made solutions for chemical, biophysical, microbiological, stability and biological aspects. Learn more about SGS’s Cosmetics & Personal Care Testing Services. (

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For further information contact:

Queenie Tse
Senior Technical Service Executive
Tel: +852 2765 3672

About SGS
SGS is the world’s leading inspection, verification, testing and certification company. SGS is recognized as the global benchmark for quality and integrity. With more than 95,000 employees, SGS operates a network of over 2,400 offices and laboratories around the world.

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