Bio-sugar gum, French patent number: FR2856925A1, can form a 3D film with strong protective effect on the skin surface, just like the second skin, which can reduce the damage of ultraviolet rays and external pollution to the skin.
fennel callus culture liquid, U.S. patent number: US 888742B2, is an active nutrient carried by fennel itself, which tightens and obviously improves skin elasticity, reduces wrinkles, and makes skin softer and smoother. It is a good anti-aging raw material at present.
These three patents are owned by Mengdui Collagen Extrusion Membrane, which can be found on related websites.