【New Era Vitamin C Design】 Cultivate radiance with our unique 3-layer Vitamin C formula. Pure Vitamin C and three types of Vitamin C derivatives (moisturizing, sustained-release, and penetrating) maximize their effects in the hot and humid environment of the bathroom, delivering them effectively to the stratum corneum. 【Four Luxurious Ingredients】 Carefully selected ingredients include 2K glycyrrhizic acid, glutathione, gold, and niacinamide. In the special bathroom environment, these beauty ingredients penetrate the stratum corneum, providing a luxurious beauty experience that achieves translucent skin. 【Seize the Golden Timing】 Data shows the golden time is within 5 minutes after exiting the bath. The light texture spreads smoothly over warm, soft skin and quickly penetrates. It exhibits further effects upon contact with moisture. 【Blissful Care to Make You Shine】 A new concept of care that takes only 60 seconds during your shower with a rich texture. In the special environment of the bathroom, deliver beauty ingredients to the stratum corneum for skin you'll look forward to tomorrow. 【The Ideal In-Shower Serum】 An airless pump, designed like a high-end serum, keeps the beauty ingredients fresh until the last drop. Born from conversations with 4MEEE readers, this is the long-awaited new skincare product. The beauty revolution from the bathroom begins. iYON In-Bath Skincare Serum VC Beauty Serum Vitamin C Whitening Human Stem Cell High Moisturizing 【Introduction Serum for Use in the Bathroom】 362 $$1299