A scientist has been studying the brain for 40 years, and this is what she learned:

My roots were oily and flat. I sprayed this directly at the roots, let it sit for a few seconds, brushed it through — and it actually removed the oil without leaving a white cast. Most dry shampoos make dark hair look gray or feel gritty. This one doesn’t dull your color and doesn’t leave buildup. It removes up to 95% of oil and looks clean after brushing through. If your current dry shampoo isn’t working, this is your upgrade. Stop wasting money on dry shampoos that don’t absorb oil. This one: