This regulation prohibits the use of 23 substances in cosmetic products and applies in the EU from 1 March 2022. These substances have been classified as carcinogenic, mutagenic and toxic to reproduction by Delegated Regulation (EU) 2020/1182 (15th ATP to CLP).

Three of the substances already had entries in Regulation (EC) 1223/2009. Zinc pyrithione was permitted to be used as a preservative (annex V, entry 8) and in leave – on hair products (annex III, entry 101).

Butylphenyl methylpropional is a fragrance allergen (annex III, entry 83). Sodium hydroxymethylglycinate is a formaldehyde releasing preservative (annex V, entry 51). From 1st March 2022 zinc pyrithione and butylphenyl methylpropional have been added to annex II (entries 1666 and 1670 respectively) and cannot be used in cosmetic products placed on the EU market.

Sodium hydroxymethylglycinate is permitted to be used as a preservative at up to 0.5% providing the max-imum theoretical concentration of releasable formaldehyde from all sources combined does not exceed 0.1 %w/w.

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