Vetzyme dry skin evening primrose oil tablets contain b complex vitamins and are water soluble which means they are easy for your pet to consume they also have a delicious chicken flavour which your dog will love these tablets work by soothing the discomfort of dry itchy skin and help to promote healthy smooth skin through moisturising and nourishing the skin from the inside for best results it is recommended that vetzyme dry skin evening primrose oil tablets are taken daily