Posh&Co Nikki Green Olive Oil Dog Shampoo with Tea Tree and Lemon Essential Oils, 8-Ounce Combination of high quality olive oil, tea tree and lemon essential oils Tea tree essential oil has antibacterial and anti fungal properties It is used to prevent infection and is a great repellent to mosquitoes and fleas Good for dry scalp and dandruff issues Leaves a natural shine to the coat