MD10 Anti Red/Yellow Stain Shampoo is Specially formulated for illuminating Red/Yellow Stain from White Coat. It works on Urine Stain, Around Mouth Water Stain, Elbow Stain. Application: You have to leave the shampoo on the coat 5 minutes, then rinse very well. Repeat everytime you shampoo your dog. It can be used often as every 2 days. For Texture coat for show dogs, after this MD10 Anti Red Shampoo, use Texture shampoo to give texture back to the coat prior to the show.