The fur is a mirror for your cats health shine thickness colour any kind of change should be watched out for a deficiency of essential fatty acids omega 3 6 can lead to dull dry fur and often comes with dandruff insufficient supply of certain amino acids may cause hair loss delayed change of coat dull colourless fur or fur discolouration royal canin skin care contains a collection of important ingredients for your cats skin and coat soya and borage oil rich in gamma linoleni