Size: 1pcsPreservatives-free and ideal for all skin types 1、High-Potency 15% Niacinamide + VC Vitamin C & Glutathione & Nicotinamide 2、Concentrated Serum Ingredients through Freeze-Drying at -40°C Stabilization of Serum Ingredients / Preservative-Free / Freshness with Every Use 3、100% Naturally Derived An eco-friendly material with...