But if you do reach for the razor on the regular, chances are you've experienced razor burn at some point. Usually, it appears a few minutes after your blade has touched the skin, and typically it's after you've dry-shaved, shaved too quickly, used an old razor, or shaved in the wrong direction (against the natural grain of the hair). According to this 2019 paper by the Arak University of Medical Sciences, it's been proven to be crucial in the relieving of first and second-degree burns, which means it's more than up to the challenge of aiding your razor burn.