Vetoquinol Skin Care Omega 3-6 is a well balanced combination of omega 3 and 6 unsaturated fatty acids in convenient capsules. Skin Care Omega 3-6 is an animal feed supplement dogs and cats based on fish oil. Omega 3-6 contributes to a healthy coat and skin, but also to the general resistance. Animals with dry skin that experience hair loss can benefit from extra omega 3-6 fatty acids.