Does Sweat Make Your Hair Grow?

Does Sweat Make Your Hair Grow?
Does Sweat Make Your Hair Grow?

We all know the embarrassing aspect of sweating, but does it stimulate hair growth?

Losing your hair can be worrisome and terrifying, especially if you’re losing a large amount of your hair simultaneously. But the good thing is that you’re not alone; lots of men and women are suffering from thinning hair today.

While there are several treatments for hair loss, one thing that still confuses many people is whether sweat can stimulate hair growth, which we’ll discuss in this article.

Hair loss comes from several factors, such as poor diet, stress or hormonal unbalance, environmental pollution, age, etc.

However, it’s important to note that certain conditions that affect the body can equally affect hair growth since your hair health reflects your overall health.

So, does sweat make your hair grow?

Let’s find out below!

Does Sweat Make Your Hair Grow?

this is how sweat make your hair grow

Yes! Sweats stimulate hair growth to some extent but can also cause damage to the hair if care is not taken.

According to Jennifer Aniston:

Sweating a little on the scalp is not bad. It’s like a little hair product. You blow it out using your fingers, and it’s just fun.

Sweating from your scalp helps open up your hair follicles, creating room for new hair growth.

Apart from that, sweat equally helps to open up the pores on your scalp, releasing the gunk that build-up inside them that could be inhibiting the growth of your hair.

You must also understand that while sweating unclogs your hair follicles to stimulate new hair growth, the salty sweat build-up on the scalp is somewhat bad for the hair. The salty sweat build-up has lactic acid content, which can be harmful when mixed with the keratin in your hair.

So while it’s vital always to exercise your body so that your scalp sweats, it’s equally advisable always to wash your hair after your exercise to prevent excess sweat from sitting on your head.

Exercise is essential for long-term health and can optimize your hair growth rate.

How Does Sweat Affect Hair?

Like I said earlier, when you sweat from your scalp, it helps open up the hair follicles, giving enough room for new hair growth. Exercising boosts blood flow to your scalp.

However, sweating is a healthy means of removing toxins from the body and promoting hair growth; excess sweating can be unsafe for the hair and scalp because of lactic acid in the sweat.

Studies have proven that:

When this lactic acid in sweats mixes with the keratin in the hair, it results in hair loss and damage.

Apart from that, sweat glands also mix easily with bacteria, resulting in fungal infections.

According to some researches:

This unhygienic condition equally causes dehydration of hair strands and hair loss.

How to Stop Sweating In Your Hair

how to stop sweating in your hair

Why you might not completely stop sweating on your scalp, there are certain things you can do to reduce it to protect your scalp and hair from being damaged by lactic acid.

Here’s what you need to do to reduce sweats in your scalp:

  • Wash your hair after exercises
  • Be stress and anxiety-free
  • Use deep breathing tactics
  • Rinse your hair with conditioner after working out
  • Maintain an active lifestyle

Do I Need To Wash My Hair After Sweating?

Ideally, you mustn’t wash your hair every day. However, if you’re doing heavy exercise daily, you should wash your hair 2 to 3 times per week.

Washing your scalp in between shampoos will help keep it clean, as having excess amounts of sweat on the scalp can weaken the hair strand and cut down the lifespan of your hair.

Does Sweat Make Your Hair Dirty?

Your scalp can indeed get quite sweaty and dirty when you exercise a lot. Sweat is mainly made up of salt and body waste.

And if you don’t wash it out of your hair, it’ll make your hair dry out fast – and it can equally develop an offensive odor, and I know you don’t want that!


Sweat does make your hair grow, but too much of it can be harmful to your hair, as I mentioned above.

You, therefore, don’t want to leave excess sweat on your scalp, mainly because of the odor it can bring, and too much of it can render your hair lifeless.

Be sure to check out our top 3 recommendations on products for thinning hair.

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Christopher is the founder of Hair Loss Geeks, which launched back in 2011. At the time there wasn't any credible information on the internet about hair loss. As someone suffering from hair loss himself, Christopher began his extensive research journey. After launching the site, he later graduated from Boston University in 2012 with his PhD in Biochemistry. What started off as a hobby project quickly became a bigger focus as it grew. Christopher hopes everyone can learn from both his experience and research.

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