Animology Spa Day Skin & Coat Shampoo. Spa Day, by Animology, is a luxurious shampoo that cares for your dog's skin and coat. Enriched with oatmeal, chamomile and argon oil with built-in vitamins and conditioners, it helps improve the natural shine and softness of the fur and soothes skin. Spa Day can be used on all coat and skin types and is suitable for all dogs from 6 weeks old.