Deep into the stratum corneum, exposed to UV rays. Suppresses melanin production, leading to cool, translucent skin. *Suppresses melanin production, preventing dark spots and freckles. This whitening serum targets the time lag that occurs during UV exposure, leading to the formation and darkening of dark spots. By suppressing melanin production, it prevents not only existing dark spots but also future dark spots. Kojic Acid (whitening) powerfully suppresses melanin production within melanocytes, leading to firmer, more translucent skin. Ectoine (moisturizing) penetrates smoothly into sun-damaged skin, conditioning it and protecting its future translucency. The refreshing, splashy, cooling gel base instantly penetrates into the skin. It comfortably penetrates sun-damaged skin, restoring it to a healthy state after daytime UV exposure, leading to smoother, more supple skin. This fresh herbal floral type is based on Predia's scent that evokes the healing scent of the sea and spa, and adds a sense of effectiveness and freshness. The orange color of the contents is the natural color of astaxanthin. (Quasi-drug) *This product is a refill and does not include the main product.