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Recent in Efficacy/Claims Substantiation (page 4 of 34)

A Safety, Toxicity and Irritation Testing Primer

A Soft Touch—Concepts in Hair Softness

Words from Wiechers: Who Do You Think You're Fooling?

[video] Valorizing Ingredient Efficacy: On Location with Sederma

Words from Wiechers: How Scientific is Cosmetic Science?

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