(Biocare Animal Products) PuriShield Ear Wash is formulated to support normal ear health in dogs and cats, and may relieve the discomfort associated with overgrowth from bacterial, viral, fungal, and yeast infections. The soothing ear wash gently cleans, deodorizes, acidifies, and dries the ear canal. Creates an unfavorable environment for bacteria and fungus in the ear. The antimicrobial peptides (AMPs) in PuriShield help protect animals from bacterial and viral infections. Apply liberally into the ear canal and massage outer ear. If ears are excessively dirty, apply 2 to 3 times daily for several days. For maintenance, apply 1 to 2 times weekly.