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  • Writer's pictureDaniel Jiménez

Advances the Restriction of Cyclotetrasiloxane, Cyclopentasiloxane and Cyclohexasiloxane in Cosmetic Products

The draft regulation on cyclotetrasiloxane (D4), cyclopentasiloxane (D5) and cyclohexasiloxane (D6), which limits their uses to a maximum of 0.1% w/w in cosmetic products, is on its way to adoption. This measure seeks to regulate the presence of these compounds in cosmetics due to environmental and health concerns.

The draft regulation has been submitted to both the European Parliament and the Council of the EU. Unless significant objections are raised, it is expected to be adopted and published in the coming months. This change will amend Annex XVII of the REACH Regulation, thus strengthening the regulations surrounding these compounds in the cosmetics industry.

As a result of this measure, the implementation dates for cosmetic products are being adjusted.

Implementation is expected to be progressive, with the following deadlines:

  • Until April 2026 for rinse-off products.

  • Until April 2027 for leave-on products.

These dates will provide manufacturers and the industry in general with a transition period to adapt to the new regulations and reformulate products as needed.

This measure is expected to have a significant impact on the formulation and manufacture of cosmetics in the European Union, with the aim of improving the safety and sustainability of these products for consumers and the environment.

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