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Apply to a cotton pad and gently sweep over the eyes to remove makeup
dry underarms
Highlight the high points of the face—cheekbones
Promotes a more even
Radiant Skin: Regular use helps achieve soft
The Niacinamide 15 Serum Summer_2026 Apply to a cotton padCOSRX The Niacinamide 15 Serum is a highly concentrated facial serum formulated with 15% niacinamide, supported by Nacetylglucosamine and Zinc PCA to provide comprehensive acne care, sebum control, and overall skin tone improvement. Its lightweight, fast absorbing texture is ideal for oily, combination, and acne prone skinbut its gentle enough for most skin types, including sensitive skin. Benefits: Controls oil and reduces breakouts: Niacinamide
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