Why I don’t recommend dedicated niacinamide products: #dermatologist explains #shorts #acne #rosacea

Twitter/Instagram: @DrJohnBarbieri

Dr. John Barbieri is a board-certified dermatologist at the Brigham and Women's Hospital and Harvard Medical School, where he directs the Advanced Acne Therapeutics Clinic. He is also chair of the American Academy of Dermatology Acne Guidelines Work Group.

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Disclaimer: This YouTube Channel does not provide any diagnosis, treatment or medical advice and does not replace a visit to your doctor. The statements are not intended to treat, diagnose, cure or prevent disease. See your doctor for medical advice and treatment. My statements on this channel are for informational purposes only.