Skin & Coat contains 13 different essential nutrients to support healthy coat and skin, including Omega 3 fatty acids which promote both a shiny coat and healthy skin and have been shown in scientific studies to help animals with insect bite sensitivity. Other essential ingredients for healthy coat and skin include zinc which can increase hair growth, MSM as a source of sulphur which in turn is a building block for the protein keratin, a central component of both hair and skin and also biotin which has also been shown to stimulate keratin production by skin cells. Finally, Skin & Coat contains high levels of antioxidant Vitamins C and E which have been shown to be reduced in a range of skin conditions.