Goldwell Dualsenses Bond Pro Fortifying Shampoo is specially designed for weak, fragile hair that is prone to breakage. It uses Inter-Amino-Bond-Builder technology that fortifies the hair from the inside out by forming new ionic and hydrogen bonds, while MicroPROtec Complex distributes essential ingredients to protect the hair from colour fade out. This fortifying shampoo gently cleanses and gives the feel of structure without weight.