Lax'aire is a gentle emollient laxative and intestinal lubricant with essential vitamins, fatty acids, and iron for your pet's health. It helps with various digestive issues, including hairballs and constipation. Liquid petrolatum is a lubricant and cod liver oil is a laxative. When digested, these ingredients help to relieve discomfort and irritation caused by hairballs and constipation.