The Thickening Shampoo from RevitaLash Cosmetics is a phyto-infused shampoo with a scalp therapy formula that supports optimum scalp health, fortifies the hair cuticle, and works to improve hair shaft thickness. Free of sulfate detergents, this shampoo features specialized, therapeutic ingredients to optimize scalp health by cleansing and fortifying hair while protecting from environmental stressors. Hair transforms to feel fuller, look thicker, and perform better. 8.45 fl. oz. Made in USA.