Revitalise thinning hair with Jack Black True Volume Shampoo, a daily shampoo that works to thicken hair whilst gently cleansing and maintaining optimum scalp health. Boasting a PureScience® formula, the body-building shampoo blends a cocktail of naturally derived botanicals and gentle surfactants with proprietary thickening complex \'Expansion Technology\' to help you achieve fuller, healthier looking hair with brilliant sheen. The addition of biotin and green tea leaf help to strengthen, repair and stimulate follicle growth for a luscious head of hair. - K.N. Free from parabens, fragrance and colourants. Dermatologist tested and cruelty-free. Made in the USA.