duh: Stop shaving,
waxing, or doing any other form of hair removal and just let nature do its thing. It’s worth noting that your preferred method of removal will likely affect the way your hair grows. (Shaving can lead to thicker stubble, Shays says; lasers and waxing might cause it to grow in spotty or uneven patches.)
“It’s like a haircut — you just have to get through the grow-out phase,” Shays says. “There’s the frustration of not being able to put your hair in a ponytail, but you have to [remember] that one day, you will get there.” To help speed up the process, you can also take hair-stimulating vitamins, which some people swear promotes growth of all your hair.