Kolagra Kolgara offer vitamin c serum (1+1) - BiostreamKolagra Vitamin C serum Liposomal formula is used to treat and prevent the first signs of aging and to revive dull skin that has lost its vitality This vitamin C Serum helps to reduce the appearance of wrinkles, and dark spots and protects from free radical damage. The powerful antioxidant is Nano encapsulated in liposome bubbles to penetrate deeper into the skin and act faster. It can boost collagen synthesis and prevent loss of firmness.