Prefoam+ has softening and moisturizing capabilities for better teat health and provides a clear covering membrane for preparing the milking. User Manual - Make mixture / foam - Apply the foam, contact time 30 sec. - Wipe the teats with paper or a clean cloth. Advantages of Prefoam+. 1) Cleaning power. 2) Nurturing and softening. 3) Powerful antibacterial disinfectant.