Face mask in soft gel. Collagen? Formed by 19 amino acids, although most of these amino acids are produced by the organism, some must be introduced by the outside. With the passage of time, native collagen progressively transforms into mature collagen, less elastic and much less hydrated and the renewal of collagen decreases. Collagen therefore constitutes an essential functional substance in the formulation of cosmetic preparations with owners? Protective, moisturizing, elasticized, firming and anti-vacation.