Dermcare Pyohex Shampoo Medicated, 1L Bacterial Skin Infections In Dogs Need Treatment And Pyohex Shampoo Is Specifically Formulated To Help. This Topical Medicated Shampoo Contains Chlorohexidine Gluconate As The Active Constituent. It Helps To Remove Dirt, Scaly Skin And Grease Whilst Killing Cutaneous Micro-Organisms That Often Cause Dermatitis. You Only Require 1Ml Of Shampoo For Every Kilogram Of Your Dogs Weight, Making This Product Long-Lasting.