Treat yournon-colored, thinning hairwith Bosley Defense Nourishing Shampoo for Non Color-Treated Hair, a gentle shampoo that helps maintain thicker and fuller hair.Bosley Defense Nourishing Shampoo for Non Color-Treated Hairhelps to develop and maintain a healthy scalp and stimulate healthy hair growth in thinning hair. Thissulfate-free cleanserwashes away environmental residue and toxins like DHT from the hair and scalp. DHT is a main factor that causes thinning hair and hair loss. Bosley Defense Nourishing Shampoo for Non Color-Treated Hair contains a unique ingredient blend calledLifeXtend Complexthat strengthens and nourishes hair follicles. Get fuller, thicker-looking hair with this effective solution forweak, thinning hair.