
In the fast-paced landscape of the European beauty market, rigorous safety standards are constantly reshaping product formulations. For brand owners, formulators, and regulatory specialists, keeping a pulse on the latest EU cosmetics regulation news is non-negotiable. Recently, the European Union has made significant updates regarding the use of Silver in beauty and personal care products. With Silver officially classified as a CMR (carcinogenic, mutagenic, or toxic for reproduction) Category 2 substance by Delegated Regulation (EU) 2024/2564, navigating these new rules is critical. Let’s break down the SCCS final opinion on Silver used in cosmetic products and explain what these changes mean for your brand’s ongoing Cosmetic Compliance.
The Regulatory shift and CMR classification
To fully understand the current landscape, we must look at Commission Regulation (EU) 2026/78, which amends Regulation (EC) No 1223/2009. Under this regulation, substances classified as CMR Category 1A, 1B, or 2 are generally prohibited from use in cosmetic products to ensure a high level of human health protection. Silver (CAS No 7440-22-4) falls under this regulatory umbrella, having been classified as a Category 2 reproductive toxin. This classification applies broadly to silver massive (particle diameter ≥ 1 mm), silver powder (100 nm < particle diameter < 1 mm), and silver nano (1 nm < particle diameter ≤ 100 nm).
However, under Article 15 of the Cosmetics Regulation, a CMR Category 2 substance can still be used if it has been rigorously evaluated by the Scientific Committee on Consumer Safety (SCCS) and officially found safe.
The SCCS scientific advice on micron-sized particulate silver
In response to the new CMR classifications, industry stakeholders submitted safety dossiers and requests for exemptions concerning the use of micron-sized particulate silver. On April 24, 2026, the SCCS issued its highly anticipated final opinion (SCCS/1687/25) regarding this specific ingredient. Following a subsequent corrigendum on May 20, 2026, the SCCS concluded that micron-sized particulate silver can indeed be considered safe under highly specific conditions of use. This SCCS opinion is a major development in EU cosmetics regulation news, providing a signal, that formulators will be able to to keep using silver for its popular metallic, shimmery, and skin-conditioning effects in makeup and other cosmetic products.
Dermal Penetration Studies
To ensure strict Cosmetic Compliance, the SCCS heavily relied on cutting-edge dermal penetration data submitted in August 2025. Extensive ex vivo studies were conducted using porcine ear skin and human abdominal skin. Additionally, a rigorous in vivo mass balance and tape-stripping study was performed on human volunteers over a 28-day repeated-application period.
These tests utilized highly sensitive Time-of-Flight Secondary Ion Mass Spectrometry (ToF-SIMS) and ICP-MS analysis to accurately track the distribution of silver. The results were definitive: micron-sized particulate silver remains firmly confined to the skin’s surface and the upper layers of the stratum corneum. It does not penetrate into the viable epidermis or dermis, meaning there is negligible risk of systemic exposure via dermal absorption.
What are the safe Silver concentration limits?
The new SCCS Scientific Advice on Silver outlines the following safe maximum concentration recommendations for micron-sized particulate silver (100 nm < particle diameter < 1 mm):
- Rinse-off cosmetic products: Safe up to a maximum concentration of 0.2%.
- Leave-on cosmetic products: Safe up to a maximum concentration of 0.3%.
- Oral hygiene products: Safe up to 0.2%. (Note: Annex III specific entry limits toothpaste and mouthwash at 0.05%).
- Nail products: Safe up to 0.3%.
- Children’s products: The exact same concentrations apply for children, with the strict exception of mouthwash, which is capped at 0.05%.
It is important to note that this safety opinion explicitly does not cover the use of micron-sized particulate silver in propellant-based spray products. Applications in propellant sprays were not assessed for safety by the SCCS.
Ensuring Future Cosmetic Compliance
The regulatory measures under Regulation (EU) 2026/78 officially apply from May 1, 2026. Because this law was drafted before the latest SCCS advice, it enforces strict prohibitions that ban silver in general rinse-off and leave-on cosmetics, restricting its use exclusively to specific entries like eyeshadows, lip products, and select oral care formats. Formulators must adhere strictly to these narrow legal restrictions while the regulatory catches up and prepares a future legal amendment to include the broader thresholds approved in the 2026 SCCS opinion.
By remaining proactive, continuously monitoring updates to EU cosmetics regulation, and conducting regular ingredient reviews of your products, you can successfully navigate these scientific shifts while ensuring your products remain safe, effective, and fully compliant.
