Yellow Professional SCALP CARE ENERGIZING SHAMPOO is a strengthening shampoo that revitalizes weakened, thinning-prone hair from the root. Powered by a caffeine and biotin complex, it cleanses and revitalizes hair from the root, giving hair a fuller-bodied feeling. Clinically tested in combination with Energizing Lotion vs. placebo. Ideal for clients experiencing hair thinning or increased shedding who want a strengthening daily cleanse.