Chen’s collagen is still very good. Ingredients: 1. Marine collagen peptides are purely natural and extracted from the fresh skin of deep-sea fish. No pollution, no heavy metal residue, safer. While maintaining the biological activity of fish collagen peptides. The molecular weight is less than 1000 daltons, and its structure is similar to human skin collagen and can be directly absorbed by the skin. 2. Kappa-selenocarageenan national patented technology uses the latest patented technology (Patent No.: 200410067065.4) to extract organic selenium to help the skin eliminate toxins. It has super antioxidant function, resists free radical invasion, and delays aging. 3. Natural juice helps collagen synthesis. Grapefruit and orange juice are rich in vitamin C and rare vitamin P, which help skin collagen synthesis, promote new collagen production, and enhance the skin's self-protection ability. Collagen is a high molecular protein, filamentous collagen fibers, which can make the skin firm and elastic. It exists in the skin, bones, tendons and other parts of the human body, and its main physiological function is to serve as an adhesive substance for connective tissue. 80% of human dermis is collagen. Collagen forms a fine elastic network in the skin, supporting the skin like a scaffold. Collagen is elastic and is the glue between cells. It not only supports the shape of organs, but also maintains the vitality of cells. The content of collagen in the skin determines the elasticity and firmness of the skin, and is a decisive factor in the skin's moisture content and water storage capacity.