Brand from Japan: Dr. Soie. This product combines the benefits of a toner and serum in one! Developed from treatments targeting spots and skin brightening, it offers a comprehensive approach to skincare.Key Ingredients:Tranexamic AcidUtilized in dermatological treatments, this ingredient suppresses melanin production, preventing spots and freckles.It also reduces inflammation caused by acne and sun exposure. GlutathioneCommonly used in skin-brightening injections, glutathione inhibits melanin synthesis, promoting a brighter complexion. It also supports skin turnover, improving dullness and rough texture. ArbutinAn active ingredient approved by the Ministry of Health, Labour and Welfare, arbutin prevents melanin formation by inhibiting tyrosinase activity, effectively brightening the skin. Vitamin CThis vitamin suppresses melanin production and reduces existing melanin, helping to prevent spots and dullness through its antioxidant properties. Vitamins B2 and B6These vitamins maintain healthy sk