Hair salon supplies include shampoo, DYE, and DYES. Shampoo is a liquid product used to cleanse the hair and scalp, while DYE is a coloring agent used to change the color of the hair. DYES are a type of DYE that is specifically designed for use in hair salons. Shampoos come in a variety of formulas and can be used to treat different types of hair. DYES are available in a range of colors and can be used to create a variety of looks. Shampoos and DYES are essential supplies for any hair salon.