ALZOO™ Flea & Tick Shampoo is made with Plant-Based Ingredients with Essential Oils and has proven to effectively repel fleas, ticks, and mosquitos. Helps reduce external parasite infestation. No traditional synthetic Pesticide Repels/Prevents Bite/Pest Irritation For All Size Dogs | Proven Safe and Effective when used as directed Sulfate and Paraben Free • Protection begins with the first application. • DURABLE EASY TO APPLY: Can be used once a week. • EASY APPLICATION: wet your dog, apply shampoo down the back (careful to avoid eyes and mucus membranes), lather, let sit for 2 minutes and rinse. • An easy way to protect your dog over a long period against external parasites. • Proven, safe, and effective for dogs and people when used as directed. • Active ingredients: Cedarwood oil and peppermint oil • SUSTAINABLE, SAFE & POWERFUL: Cruelty-free; Environmentally friendly; Made in the USA using recyclable packaging.