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01/07/2025

新闻

IDEA workshop advances animal-free approaches to skin sensitization

Experts explore innovative methods and extended reference data to improve fragrance safety assessments

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A diverse group of scientific experts convened in person and online on July 1 for a workshop organized under the International Dialogue for the Evaluation of Allergens (IDEA). The event brought together representatives from the fragrance and cosmetics industry, academia, and regulators, with the International Fragrance Association (IFRA) playing an active role in supporting the dialogue.

IDEA was launched in 2013 to create an open platform for scientific collaboration on the safety of fragrance ingredients, with a particular focus on skin sensitization. Over the past decade, it has established itself as a unique forum uniting technical experts and stakeholders to improve evaluation tools and practices.

A central theme of this year’s workshop was the extended Reference Chemicals Potency List (RCPL), developed within the IDEA NAM (New Approach Methodologies) workstream. The RCPL has grown significantly - from its initial 33 substances to a current set of 110 chemicals, primarily comprising fragrance materials. Participants agreed that the RCPL offers a robust foundation for evaluating how individual or combined non-animal methods can accurately measure sensitizing potency. This progress lays the groundwork for more effective risk assessments conducted without animal testing.

The second part of the workshop examined the application of the RCPL to three selected NAMs, with a focus on addressing uncertainty in predictions. Experts concluded there is strong evidence that NAMs can reliably predict skin sensitizer potency for fragrance ingredients. Looking ahead, further efforts will concentrate on translating these potency measurements into practical, science-based risk assessment processes.

This milestone underscores IFRA’s commitment—shared with many partners—to advancing innovative, animal-free approaches that protect consumers while upholding the highest standards of scientific rigor.

发布于01/07/2025 • 04/07/2025更新

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