One particular remedy earns a lion’s share of praise: rosemary oil. It’s a superstar in the natural hair growth space, and there are countless ways to use it in your routine. Here, you’ll find everything you need to know about the special herb, including an easy, efficient shower hack to use it. And guess what? In the study, the minoxidil had a higher rate of itching and discomfort on the skin—rosemary, however, did not. Perhaps that’s why holistic plastic surgeon Anthony Youn, M.D., deemed the blend “a very reasonable option for people who want to stay natural and have some thinning hair issues” on the mindbodygreen podcast.