R+Co Gemstone Color Shampoo is a coloring shampoo for all hair types. Those who color their hair know how important it is to protect its health and highlights. R+Co Gemstone Color Shampoo and R+Co Gemstone Color Conditioner helps maintain and prolong color perfection. Ideal for all hair types, especially over-processed hair, with no preference for blondes, brunettes, or redheads.