“Paraben-free,” “non-comedogenic,” “medical-grade skincare,” "collagen-boosting," "benzene-free," “fragrance-free,” and “dermatologist-tested” are among the most commonly used terms in cosmetic and skincare marketing worldwide. These familiar labels are often treated as shortcuts for trust, quality, and clinical legitimacy—yet without consistent regulation, their meanings can be surprisingly fluid. Do they carry meaningful weight from a scientific and dermatologic standpoint, or are they simply marketing buzzwords that blur the line between evidence and persuasion?

In this episode, we are joined by Dr. Michelle Wong, PhD. Dr. Wong is a Chemistry PhD, beauty and cosmetic science communicator, and author based in Sydney, Australia ...