How Dermatologists Evaluate Ingredients for Truly Effective Skincare
In my decade as a dermatological formulation analyst, I've seen countless products fail because they rely on trendy ingredients without regard for concentration, stability, or skin biology. This guide reveals the systematic process I and my colleagues use to evaluate skincare ingredients—from scrutinizing clinical trial data to assessing pH compatibility and delivery systems. I share real case studies, including a client who spent thousands on serums with negligible active levels and a formulati