Cosmetic Efficacy Evaluation: How to Test Skin Firmness and Skin Elasticity Beyond Marketing Claims
“Firmer skin,” “lift effect,” “improved elasticity” – these are among the most frequent product claims found in beauty brand communication. The issue is that to the consumer, they all sound remarkably similar, regardless of whether they are backed by a rigorous scientific study or merely a subjective consumer rating. However, skin firmness and elasticity belong …








