Nitty Gritty Headlice Defence Spray is perfect for use after treatment of headlice in order to prevent a reinfestation.  It contains a carefully chosen blend of essential oils so hair is kept soft, shiny and detangled.  The easy to use spray formula has a lovely lavender scent which acts to deter headlice from reinfesting. It's a safe and effective way of preventing headlice as the formula is pesticide and chemical free.