Redness Relieving Serum: Refine Pores, Smoothen Skin, Relieve Redness. The Niacinamide and Zinc PCA instantly improves skin texture and radiance by reducing excess oil and minimizing pore sizes. | Key Benefits: Based on real results from consumers' self assessments, the Niacinamide 15 Serum minimizes pore size, improves skin texture. | Dermatological Ingredients: 15% Niacinamide helps minimize enlarged pores and refine uneven skintone. Zinc PCA prevents potential breakouts from occurring. | How to Use: Apply 2-3 drops once or twice daily. For daytime wear, follow up with SPF 30+ sunscreen. Can be applied under the eye area; avoid direct eye contact. | Patch Test Recommended: Perform a patch test on the body before using on the face. Proceed to using on the face if no irritation occurs in 24 hours. Consult with your doctor immediately if irritation occurs.