Super Whitening Gel Stain remover gel. Highly Concentrated. Formulated for dogs and cats. Removes tear and urine staining safely and effectively. Contains new state-of-the-art humectant moisturizing glycerin and hair strengthening conditioners in an easy to use clear and clean gel. Super Whitening Gel may be used on clean hair either wet or dry. Maximum stain removing action takes approximately 15 minutes. May be left in coat between baths and may be applied with a cosemetic hair painting brush or with clean fingers.