New, Unopened DRX HQ Brightening Serum - Rohto Pharmaceutical Volume: 12ml, 1 bottle DRX HQ Brightening * Formulated to penetrate deep into the stratum corneum * Clinical trials conducted * Serum type, easy to blend into the skin * Fragrance-free, colorant-free, preservative-free Formulation focused on stability and safety: Hydroquinone is known to be unstable and can cause irritation, but Rohto Pharmaceutical's formulation technology allows it to be incorporated in a highly stable state, confirmed to be stable for up to 3 years after manufacture. Regarding irritation, the formulation has been carefully designed, and clinical trials have shown that almost no irritation is felt. 【Features】 Fragrance-free, colorant-free, and preservative-free, making it a product that can be used with confidence even by those with sensitive skin. Full Ingredients DPG, PG, Water, Hydroquinone*, Ascorbic Acid *Hydroquinone: Product antioxidant