There are a few things you can do to make redness from razor burn go away:
-Apply a cold compress to the area for 5-10 minutes.
-Take an over the counter antihistamine like diphenhydramine (Benadryl) or hydroxyzine (Atarax). Both of these will help with swelling and itchiness.
-If you have access to it, use 1% hydrocortisone cream 4 times per day until symptoms resolve.
Apply a cold compress to the area for 5-10 minutes. Over-the-counter antihistamine like diphenhydramine (Benadryl) or hydroxyzine (Atarax) can help with swelling and itchiness.
How Do You Get Rid Of Razor Burn Redness Fast?
The area should be hydrated two to three times a day. Otc hydrocortisone cream can help reduce the redness and swelling caused by the razor burn. The cream should be used as written in the instructions. 
How Long Does Redness From Razor Burn Last?
The burn lasts two to three days. If you have the right skin care treatment and shave routine, you can speed up the healing of your razor burn. 
How Do You Get Rid Of Redness From Razor Burn?
It is possible to soothe shaving irritation by applying an over-the-counter hydrocortisone cream. If you have a razor burn, king recommends aquaphor healing ointment or vanicream moisturizing ointment. 
What Does Razor Burn Look Like?
The burn is usually a red rash. There are red bumps that feel hot. Any clothing you put over the affected area may irritate it. People shave multiple parts of their body at the same time. 
How Long Does It Take For Razor Burns To Fade?
It usually clears up within 2 or 3 days. It can take 2 weeks or more for razor bumps to go away and you may have to shave again. If your symptoms don’t go away within a few weeks, talk with a healthcare professional to rule out other causes. 
Frank Harmenstein is the lead editor of the grooming website Cut Throat Straight Razor, and has over 15 years of experience in the industry. He’s personally tested and reviewed over 200 different straight razors, and has written countless articles on the subject.