Royal Canin Hair & Skin for adult cats (1-7 years old) with a dull coat, dandruff and/or sensitive skin. The exclusive use of ROYAL CANIN Hair & Skin Care has been clinically proven to significantly increase coat shine after just 21 days of use. Royal Canin Hair & Skin contains high quality proteins, including specific amino acids, to maintain healthy hair growth and skin renewal. Does your cat have a poor coat condition? Skin cells are constantly being renewed and have significant nutritional needs. Some cats have sensitive skin reflected in a poor coat condition, but which can be supported by a proper nutritional balance. Hair and skin care Hair & Skin Care is a precisely balanced nutritional formula which helps maintain skin and coat health. Formulated with: 1) An exclusive complex of nutrients which helps support the skin’s barrier role. 2) High quality proteins with specific amino acids help promote healthy hair growth and skin renewal.