Dermatologically tested30ml bottle for 30 days of useMizon Peptide 500 Serum is a face serum that contains 500 ppm peptides. Peptides are the building blocks of proteins, essential for the health and beauty of the skin. Peptides help repair the skin and promote collagen and elastin production, helping to reduce the appearance of wrinkles and fine lines.Mizon Peptide 500 Serum also contains other ingredients that are beneficial to the skin, such as: Hyaluronic acid: helps moisturize the skin and make it look smoother and fresher.Panthenol: helps soothe the skin and