The Biodence Bio-Collagen Real Deep Mask Pack is composed of low-molecular collagen and low-molecular hyaluronic acid to replenish moisture and nutrients. It also contains adenosine, a functional anti-wrinkle ingredient, so you can cultivate firm and elastic skin. Lately, my skin has looked dull, and I was worried about dryness and aging. But after putting this on before bed, my skin feels hydrated the next day, my makeup applies well, and people around me tell me my skin looks really good. Anyway, since it is a dual-function mask pack for whitening and anti-wrinkle improvement, I feel like I look less aged and gradually becoming younger with consistent use, so I have settled on this product. It is not exactly cheap, but I think it would be good to try it out and buy it at a lower price during Instagram group purchases or sales events. 🙂