Siloxane shampoo chemicals set for REACH restrictions

Two hazardous organosilicone compounds will be restricted from shampoos from 2021, although the restriction is likely to be broadened

A woman having her hair washed
Siloxane chemicals in shampoos have been identified as an environmental risk. Photograph: iakovenko / 123RF

Chemicals commonly used to improve the appearance of hair after being washed are to be banned across the single market.

An EU regulation prohibiting the use of organosilicones octamethylcyclotetrasiloxane (D4) and decamethylcyclopentasiloxane (D5) was published in the Official Journal in mid-January. It will apply to “wash-off cosmetic products” such as shampoos and shower gel from 2021, limiting their concentration to 0.1% by weight.

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