The HILL’S PRESCRIPTION DIET Derm Complete Skin & Food Sensitivities Dry Dog Food is specially formulated by Hills nutritionists and veterinarians to help manage your dogs environmental or food sensitivities. It is designed to support the skin’s natural barrier against environmental irritants year round. The food is also clinically tested to improve a dog’s sleep quality by reducing night scratching. The HILL’S PRESCRIPTION DIET Derm Complete Skin & Food Sensitivities Dry Dog Food is perfect for any dog who has environmental or food sensitivities.