Restores Natural Vibrance – This Dog Brightening Shampoo restores the natural vibrance of all color coats without the use of dog fur dye or bleach. Specialized For Dark Coats – The Magic Black enhancing bright dog shampoo works on all coats, but is purposely crafted to brighten the natural color of dark fur. Try Magic White for lighter coats. Sweet Berry Scent - This dog shampoo for dark haired dogs smells great, and the sweet subtle fruit scent makes it a great pet shampoo for smelly dogs. Puppy & Cat Safe - Often used for dark dogs, like the beagle or Boston terrier, but it can be used on other breeds. It contains no harmful additives. Easy To Use – Use warm water and wet your dog thoroughly, then apply Warren London shampoo as a rich lather. Let stand for 3-5 minutes, then rinse.