Claim your FREE SNP LAB Toner and Serum. SNP is a brand developed by K-Beauty skincare experts, providing consumers with the best solutions based on Korean skincare expertise and scientific evidence. PHA 5 Toner: recharges moisture + absorbs sebum, removes dead skin cells without damaging the skin barrier. Niacinamide 10 Serum: contains 10% of Niacinamide, gives a healthy glow to dull skin, and helps skin appear brighter.