
On 18 June 2025, the European Chemicals Agency (ECHA) reported on the latest meetings of its Scientific Committees. On the agenda: three opinions from the RAC (Risk Assessment Committee) on proposed CLH classifications affecting ingredients that may be used in cosmetics.
Strontium compounds
This opinion covers a total of 11 substances, three of which may still be used in cosmetics.
• Strontium acetate (No.CAS: 543-94-2, No.CE: 208-854-8, INCI: Strontium Acetate) is listed in the Cosing with the functions: Oral care, Soothing.
It is included in Annex III/58 (Restricted substances) of Regulation 1223/2009 which limits its use to oral products at a maximum concentration of 3.5%.
• Strontium chloride (No.CAS: 10476-85-4, No.CE: 233-971-6, INCI: Strontium Chloride) is listed in the Cosing with the functions: Oral care, Skin conditioning, Soothing.
It is included in Annex III/57 of Regulation 1223/2009 which limits its use to oral products at a maximum concentration of 3.5% and to shampoos and face products at a maximum concentration of 2.1%.
• Strontium hydroxide (No.CAS: 18480-07-4 / 1311-10-0, No.CE: 242-367-1, INCI: Strontium hydroxide) is listed in the Cosing with the function: Buffering.
It is included in Annex III/63 of Regulation 1223/2009 which limits its use to its function as a pH adjuster for depilatories at a maximum concentration of 3.5%.
Sweden’s proposal
Sweden has proposed the following classification.
• Repr. 1B, H360D - May damage the unborn child.
RAC’s opinion
RAC agreed to the proposal by …












