“Getting on a treadmill three times a month isn’t going to keep you healthy, and it’s the same with your hair,” says Ian McCabe, a master colorist and founder of Navy, a hair studio in Washington D.C. “To see real results, especially as we get older and our scalp produces less oil so our hair gets drier and more brittle, we need to work harder to get it to look like it once did,” McCabe says.