deBUNKed: Shaving (or Waxing) Makes Hair Grow in Thicker and Darker

Will shaving really make your hair thicker?

Everybody knows that shaving (or waxing) makes your hair come in thicker and darker!

Everybody is wrong, but nobody ever lets that get in the way when repeating this tired old myth. Fact: It takes science to change hair composition, not magic. 

Ah, the things mom didn’t know.

30 days of mustache growth By Sjbrown - Own work, CC BY-SA 3.0,

30 days of mustache growth By SjbrownOwn work, CC BY-SA 3.0,>

Let’s get scientific for a moment. If you have ever gotten a permanent, you are aware of the long, lengthy, and smelly process it takes to change the appearance of your hair. While waxing can sometimes thin your hair, there is no possible way that  razor is going to somehow change the chemical composition of your hair.

It takes a two step chemical process just to get your hair to retain a semi permanent curl, and that only lasts until your hair grows out. Even just getting a temporary curl to stay in your hair requires heat or moisture to retain the curl, and those effects only last a short time.

There is no possible way that a tiny little razor is going to have a permanent effect on the chemistry of your body, it just isn’t going to happen.

Your hair grows at different rates, so there will be minute variations in lengths and ages of the individual hairs. This is why cutting a babies hair often makes it seem thicker… because you have evened up the random lengths. The myth that shaving can thicken your hair is simply an illusion created when we shave the fine tapered tip off of an individual hair, leaving a flat blunt tip for a time. It looks darker because it hasn’t been bleached by the sun and the environment yet.

Closeup of beard stubble, note blunt ends making it appear thicker...

Closeup of beard stubble, note blunt ends making it appear thicker…

Those fresh new baby hairs look different because you are used to seeing older more refined hairs… give it time and they will all look the same again. If shaving hair actually changed the chemical composition of our hair every bald person in the world would swear by it…

So, please, for the love of God, just get out a razor and take care of those mustaches ladies. There really is no need to suffer anymore.



Scientific American: Fact or Fiction?: If You Shave (or Wax), Your Hair Will Come Back Thicker

2 Responses to deBUNKed: Shaving (or Waxing) Makes Hair Grow in Thicker and Darker

  1. Antonymous says:

    Unshaven hair which reached its terminal length, likely body hair, doesn’t seem to have much random lengths, if not for a layer of shorter hair among many fully grown ones. When such portion of hair will catch up with the majority of fully grown ones, an equal number among the portion of the oldest of the fully grown one, will fall off and the cycle starts off again. If you shave it’s different, they all starts from the skin, which will even the layers even more as most will want to grow back to their max length again, but a few among the oldest won’t make it, if the time left to live to them was less than the time needed to reach back to that point, considering their growth speed “cruel” fate, lol.
    Btw they also don’t grow back faster the illusion is because initially only the aforementioned layer of younger hair will actually need to grow, not the oldest ones, but the speed at which such hairs are growing is exactly the same as it is when they are shaved, it’s only hardly noticeable among long hair and that layer is made of many different length, while it’s easy to notice how much they are growing if they start peeking from the skin.

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