Double K PEARLight Shampoo The Double K range has proven to be one of our top-selling dog shampoo brands over the years and this is no doubt down to their proven results in the most extreme circumstances. The excellent cleaning power and high dilution rates mean these shampoos are fantastic value for money. PEARLight is a deep cleaning, conditioning, highlighting shampoo. This innovative formula is perfect for animals of any color and most types of hair or fur. Leaves hair soft, shiny, and manageable, without depleting body. Great for dogs, cats, puppies, kittens and all companion and farm animals. Deep cleaning, conditioning shampoo Suitable for dogs & puppies Dilute 15:1.