Pre-treatment Serum: Tuveil Crystal Essence 21mL, High-Concentration Vitamin C Derivative, APPS, Niacinamide, Fullerene, Ceramide, Anti-Aging Care

[Dense Vitamins] Contains a high concentration of 3% APPS, a highly penetrating vitamin C derivative. It also contains four vitamin C derivatives, including the oil-soluble vitamin C derivative VC-IP. It also contains TPNa, a vitamin E derivative that provides high moisturizing power and refines skin texture. This rich vitamin formula addresses skin concerns. [Addresses Signs of Aging] Contains fullerene, which pairs well with vitamin C, at a higher than recommended concentration. It also contains 3% niacinamide. The more you use it, the more radiant your skin becomes, leading to firmer, more radiant skin. [For Healthy Skin with Ceramides] Contains three types of human ceramides and ceramide analogs, saturating skin with moisture. [Recommended for] Those seeking firmer, radiant, and more translucent skin, those seeking high-concentration vitamin C, and those concerned with signs of aging. Crystal Essence is a two-component serum that requires you to mix the first and second components yourself to preserve the freshness of APPS, a vitamin C derivative that is prone to deterioration. After mixing the first and second ingredients, keep them refrigerated. This product delivers the concentrated APPS to your skin in a fresh state, effectively firming your skin. It is also recommended for use with iontophoresis and electroporation.