Confused between a clarifying serum and niacinamide for acne and dark spots? This guide breaks down the key differences. Learn how niacinamide controls oil, reduces redness, and fades marks, while clarifying serum for acne scars (often with acids like salicylic acid) deeply cleanse pores and treat active breakouts. Discover which one suits your skin type, concerns, and routine for clearer, smoother, and healthier-looking skin.