Hartz Ultra Guard Rid Flea & Tick Shampoo - Fresh Citrus Set of 3 This unique citrus scented, bright orange colored formula beautifies, freshens, cleans and deodorizes your dog. Shampoo is a cleansing shampoo treatment with Pyrethrins that kills fleas and ticks, including the Deer Tick which may carry Lyme disease Kill deer ticks that may carry Lyme Disease Fresh citrus fragrance