Optimizes fine or thin hair. Optimizes and volumize your fine or thin hair with Progaine products, unique hair care designed specifically for your hair type. Progaine Weightless Conditioner is designed to strengthen your fine or thin hair. Add volume with weightless conditioning! Progaine hair care is brought to you by the scientists at 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.