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Tuesday, April 11, 2023SCCS

Silver Zinc Zeolite: preliminary Opinion of the SCCS

Silver zinc zeolite : Opinion préliminaire du CSSC

Following the submission of a safety dossier by industry, the SCCS has assessed the safety of Silver Zinc Zeolite, a preservative transferred to Annex II (prohibited substances) to Cosmetics Regulation by the first CMR Regulation. The Scientific Committee has just adopted its preliminary Opinion at its plenary meeting on 21-22 March 2023. It is open for comments until 5 June.

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Background

Silver Zinc Zeolite (SZZ) (CAS No.130328-20-0, EC No.603-404-0) with INCI name “Ammonium Silver Zinc Aluminium Silicate” used for its antimicrobial effects.
Following its classification as “Toxic for reproduction Category 2” in the CLP Regulation, the substance has been banned for use in cosmetics by Regulation 2019/831 (the first of the “CMRs” Regulations).
In August 2020, the Commission services received a dossier submission by industry to support the safety assessment of SZZ as a preservative in cosmetic products, in particular in spray deodorant and powder foundation.

For an exhaustive background information, see the article
Silver Zinc Zeolite: request for Opinion to the SCCS, CosmeticOBS, 27 June 2022

Opinion

1. In light of the data provided and taking under consideration the classification as Toxic for reproduction Cat. 2, does the SCCS consider Silver Zinc Zeolite safe when used as a preservative in cosmetic products according to the specifications and concentration limits provided in the dossier submission?

The SCCS considers that Silver Zinc Zeolite (CAS No.130328-20-0) incorporating a maximum silver content of 2.5% is safe in spray deodorant and powder foundation when used at the proposed concentration of 1%.

2. Alternatively, what is according to the SCCS, the maximum concentration …

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