[Sérum] COSRX The Niacinamide 15 Serum 20ml

This serum reduces redness, refines pores, and improves skin texture and luminosity through niacinamide and Zinc PCA.

• The description claims that the serum minimizes enlarged pores and uneven skin tone based on consumer self-assessments.
• The description claims that niacinamide at 15% helps minimize enlarged pores and unify skin tone.
• The description claims that a patch test should be done before applying to the face.