Judges Choice Blue Rinse is used to enhance the horse’s coat, containing light reflecting optical brighteners it makes it great to use on all colors. This product will bring out the shine on your darker colored coats, and whiten and brighten greys and whites. Great for use on stained tails. Directions for Use: • As a final rinse after shampooing use ½ level teaspoon to 5 liters warm water: rinse over body and scrape off, do not wash off. To help remove stains on tails and feathers after shampooing with Judges Choice Brilliant Blue Shampoo, use ½ level teaspoon to 2 liters of warm water and soak. Test on hair first.