This is a Perfect One all-in-one serum. [For those seeking firmness and moisture] It fills the skin with moisture, leading to plump, supple skin. Formulated with the original ingredient "Purple Fermented Collagen※1". By increasing the amount of Penetrating VC Collagen※2 compared to the moisture gel, it evenly distributes moisture throughout the stratum corneum, leading to firm, healthy skin. ※1: Lactobacillus/Hydrolyzed Collagen Ferment Filtrate (moisturizing ingredient) ※2: Penetration up to the stratum corneum. Succinoyl Hydrolyzed Collagen Ascorbyl Phosphate Na (moisturizing ingredient) Contents: 90mL Recommended amount per use: 2 pumps per use (twice a day, morning and night) Free of: Synthetic fragrances, synthetic colors, parabens