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How To Layer Vitamin C and Niacinamide: The Ultimate Guide
Skincare marketing turned “Vitamin C + Niacinamide” into drama. You’ll hear people swear they cancel each other out, say they’ll burn your skin, or insist you must wait 30 minutes between serums. Meanwhile, dermatologists and cosmetic chemists quietly formulate both in the same bottle and sell millions of units. So, what’s actually true? You can […]
