TRUCE Shampoo for Dogs, Lavender and Peppermint Aroma, 16 oz Its chemical-free so it wont irritate your pups skin and wont trigger allergies. Its gentle and low-lathering so just wet your dog, spray on, massage it in, then rinse off. Thanks to the lavender and peppermint essential oils, you dont get that wet dog smell and it naturally keeps away nasty biting fleas and ticks. 25 of every bottle sold is donated to the Lost Our Home Pet Foundation animal Shelter in Phoenix, Arizona.