Epidermal growth factors help stimulate cell division and proliferation, which leads to healthier skin and faster wound healing. InVitrolon? adds vitamins, amino acids, growth factors and osmoprotectants, which protect the cells from water loss, keeping the skin firmer, smoother and healthier. Appropriate for all skin types and conditions. Use daily for firmer, brighter, more youthful looking skin.1 fl. oz.