Environment & Energy Report

Silicone Makers Challenge EU Limits on Cosmetics Chemicals

June 13, 2018, 4:20 PM

Overly strict criteria in the European Union’s REACH law are leading the bloc to restrict chemicals used in cosmetics that are not considered problematic elsewhere in the world, according to companies that produce siloxanes, or substances used to produce silicone polymers.

In particular, under REACH, the EU has placed a restriction on the use of octamethylcyclotetrasiloxane (known as D4) and decamethylcyclopentasiloxane (D5) in cosmetic products, on the basis that the substances—when washed off with water—accumulate and persist in the environment.

Producers of the substances filed a lawsuit seeking to overturn the EU restriction, arguing that the...

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