The System Professional Extra Liquid Hair is a reparative treatment for fragile, fine hair types. Powered by patented LipidCode™, the thermo-activated formula works to refill the hair fibre. It reinforces strands for up to 5 washes, supporting a stronger look and feel. Essential amino acids help to nourish weakened lengths. This hair treatment is designed to enhance the hair’s structure, promoting plump, long-lasting vitality.