OTC Hair Supplement Myth-Buster
Separate the marketing from the clinical reality on over-the-counter hair ingredients.
q1. Which statement about biotin is accurate?
q2. What did the rosemary oil RCT find?
q3. What is saw palmetto's mechanism?
q4. What did the 180-day saw palmetto trial show?
q5. Which supplement is the best natural evidence bet?