There are many ways to get rid of razor burn fast. One way is to use a moisturizer that contains aloe vera. Aloe vera is a natural anti-inflammatory and it helps to soothe the skin after shaving. Another way is to use a shaving cream with ingredients such as shea butter, cocoa butter, and coconut oil. These ingredients help the skin retain moisture, which in turn prevents the skin from drying out and getting irritated. You can also try using something like an ice pack or cold compress on your skin after you shave. This will help reduce inflammation and redness on your skin caused by shaving. The last thing you can do is apply some petroleum jelly or Vaseline on your legs before you shave them. This will act as a barrier between your razor blade