Ever wondered which skincare ingredients actually work and which ones might be harming your skin? In this video, a dermatologist rates the most common skincare ingredients — from Hyaluronic Acid and Retinol to Niacinamide and Fragrance — on a scale of 1–10 based on their effectiveness and safety. Learn which ones deserve a spot in your routine and which ones to avoid! Ingredients Reviewed: Hyaluronic Acid Retinol Vitamin C Benzoyl Peroxide Salicylic Acid Coconut Oil Tea Tree Oil Glycolic Acid Al