When developing Transderma Super Wet, we focused on the main ingredient, "water.Based on vitamin C reduced water developed using a unique manufacturing method and birch sap from Finland, this lotion is a perfect match for Transderma serum, containing many moisturizing ingredients from natural sources, including the moisturizing ingredient fucoidan, derived from seaweed. By using it after Transderma C or A, the ingredients penetrate into every corner of your skin*, leaving it feeling smooth and moisturized, leading to moist, hydrated skin. Vitamin C reduced water: A weakly acidic ionized water that combines the benefits of both reduced water and acidic water, just like your skin. It has excellent firming properties and anti-aging properties, and its particles are made finer by electrolysis, delivering beauty ingredients deep into your skin*. Birch sap: Birch grown in the naturally rich Finland is at its most nutritious in the year.