Douxo Seborrhea Mousse (6.8 oz) with phytosphingosine, is a nobathing leaveon Mousse that makes treating your pet an enjoyable experience. Phytosphingosine is a new molecule in veterinary dermatology. It is a natural occuring molecule found in the outermost layer of our skin. Phytosphingosine has some very unique properties. It is antiinflammatory, antibacterial, antifungal, and controls excess sebum (oils), and crusting or scaling of the skin. Leaveon Mousse No need to wet or dry For localized or whole body use With Phytosphingosine to restore the skin barrier For dogs and cats, no residue