High Potency EGF Spray 0.47oz has 10 times the amount of epidermal growth factor than our other Skin Actives' products to boost cell turnover and nurture the skin’s natural recovery process. With hydrolyzed collagen and hyaluronic acid, High Potency EGF Spray contributes to increased collagen production. It will trigger cell regeneration and may help restore skin damaged by sun damage, natural signs of aging as well as chemical peels and laser treatments. Ideal for aging, thinning or damaged skin, this high potency epidermal growth factor spray feels cool and soothing on damaged skin and doesn't need to be rubbed in so it minimizes painful application.