Wavebuilder Brush Fuel Tea Tree Oil Scalp Healthy. Brushing is the most important part of waving. Dry brushing can cause breakage and be irritating to the scalp. Also, brushing with the wrong product can do more harm than good when it comes to waves. Wavebuilder Brush Fuel is designed for wavers and formulated to make brushing healthier and more effective. This water-based formula contains special emollients, nutrients and conditioners that promote the proper curl pattern and wave training needed for deep, spin’n, healthy, shiny, well-defined waves - and a healthy itch free scalp. Tea Tree Oil Scalp Healthy: Best for wavers with scalp concerns, slow growing hair or just after a barber visit. This high quality, safe, effective WAVEBUILDER product is made by us with only the best available ingredients.