Cosrx The Niacinamide 15 Serum is a highly concentrated skincare serum containing 15% niacinamide, known for its brightening and skin refining properties. It is specially designed to reduce the appearance of dark spots, control sebum production, and smooth rough skin texture, leaving the skin feeling soft, smooth, and radiant.

How to Use:

1. Cleanse Your Face: Start with a cleansed and damp face.
2. Apply Serum: Smooth a proper amount of the serum over your skin.
3. Gentle Massage: Gently pat the serum into the skin for better absorption.
4. Regular Use: Incorporate into your daily skincare routine for optimal results.