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How long does dog razor burn take to heal and hair to grow back?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Medium (23 - 60lb) | Male | 5 months and 7 days old

My 6 months old dog got a hair cut from PetSmart that did a very bad job and he has small razor on his lags and tummy. His ok but I was wondering how long it takes for them to go away and how long will it take for is hair to grow back

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Answered By Laura Johnson VMD

Veterinarian

Published on October 8th, 2018

Hi, thanks for using Petco Pet Education Center, formerly Petcoach! Poor Welly! If he is scratching or uncomfortable from the razor burn you should bring him to the vet for medications. Otherwise I’d expect the skin to heal in about 10 days and his hair to grow out in 4-6 weeks depending on his breed. I wish you the best

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