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The Niacinamide 15 Serum

1 review or post

  • These COSRX products have seriously become staples in my routine. I’ve been using the Niacinamide 15 Serum, Cleansing set and the Invisible Sunscreen for a while now, and they all just work so well together. The Invisible Sunscreen is probably my favorite out of the three. It’s lightweight, no white cast, and it doesn’t pill. If you’re building a basic routine that delivers results, these are 100% worth trying.