Diaminopyrimidine oxide in EU cosmetics: Annex III, entry 93

Source: Regulation (EC) No 1223/2009, consolidated textRetrieved 2026-11-05Independent information site: we are not the authority and not the source of the data.

Diaminopyrimidine oxide: maximum concentration in ready for use preparation by product type: Hair products: 1,5 %. Annex III, entry 93, Regulation (EC) No 1223/2009, consolidated 18 May 2026.

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Annex: III: List of substances which cosmetic products must not contain except subject to the restrictions laid down
Reference number: 93
Chemical name/INN: 2,4-Pyrimidinediamine, 3-oxide
Name of Common Ingredients Glossary: Diaminopyrimidine oxide
CAS number: 74638-76-9
Version: Consolidated version of 18 May 2026
Official source: Regulation (EC) No 1223/2009, consolidated text

Official wording: restrictions

Product type, body parts: Hair products | Maximum concentration in ready for use preparation: 1,5 %

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