Wella Invigo Brilliance Colour Protection Shampoo For Coarse Hair 250ml. A colour protection shampoo with lime caviar, is a pH-optimized shampoo created specifically for coloured hair. It's optimized low pH formula helps to close the cuticle after colouration in order to enable a better colour retention, giving the hair an excellent feel. The shampoo provides long lasting colour protection for up to seven weeks with a brilliant look and vibrant hair shine. Dispatched within 2-3 working days