JUST FOR MEN Shampoo-In Hair Color is designed to color hair while fitting into a simple application routine. The shampoo-style format allows the product to be applied and distributed through the hair in a similar manner to traditional shampoo. The color formula works to blend with existing hair color for a natural-looking result when used according to the directions on the packaging. Follow all instructions carefully during application and rinse thoroughly as directed. The package contains one application designed for home use.