Vitamin E in particular has been shown to have several benefits for men, including the potential ability to speed up hair growth. A 2010 study published in Tropical Life Sciences Research found that participants who took 100 mg of mixed tocotrienols chemicals that belong to the vitamin E family had increased hair growth compared to those taking the placebo see claim: “The number of hairs of the volunteers in the tocotrienol supplementation group increased significantly as compared to the placebo group.” Guys should have as many ways to express their changing self as women do with their appearance. So if you find yourself wondering what you would look like with long hair, or how to style long hair your collegiate days are the perfect time for that experimentation. On average, hair grows at a rate of half an inch per month. The rate at which your hair grows is largely determined by genetics. There’s nothing you can do to make it grow faster than that, but you can do your part in avoiding the things that slow down hair growth.