Amika 3D Daily Thickening Treatment, used one time, just sits on my shelf. Free from sulfates, parabens, phthalates, mineral oil, and petrolatum amplify your style and set a strong foundation with 3d daily thickening treatment. containing redensyl™*, a patented blend of ingredients that sets the foundation for hair growth, this scalp treatment promotes the appearance of thicker-, denser-, and healthier-looking hair.