Optimizes fine or thin hair. Optimize and volumize your fine or thin hair with Progaine products, unique hair care designed specifically for your hair type. Progaine Volumizing Shampoo gently cleanses your fine or thin hair, giving it the feel of weightless body. Volumize with every shampoo! Progaine hair care is brought to you by the scientists who developed Rogaine. Through years of research and focus, they have become experts in fine and thin hair. Progaine products are designed to cleanse, condition and style; they do not contain the regrowth ingredient in Rogaine. Safe for color-treated hair.