6 Hair Product Chemicals That Lower Testosterone

There Are At Least Six Chemicals That Lower Testosterone Found In The Majority Of Hair Products! Learn What The Chemicals That Lower Testosterone Are & Other Ways They Negatively Impact Health

If you’re returning to my site or have checked out a few articles today. You may have noticed there are multiple articles looking at the chemicals that lower testosterone. Sadly it’s not just hair products that contain chemicals that lower testosterone. A lot of different products pose a potential issue to T levels. Most of which are grooming, skin care and hygiene products. If you haven’t seen my other articles on the products that contain these chemicals. You can take a look at the below article. It will give you a high level overview of the products that pose an issue to testosterone levels.

Chemicals That Lower Testosterone – Where Are They Found

If you’re reading this article. I imagine you are interested in finding ways to boost testosterone production. Or at least ensuring they don’t drop any further. Having low T negatively impacts your health in multiple ways. On the flip side having higher testosterone levels benefits your health in a number of ways. If you’re unsure/ want a reminder of how testosterone and health are linked. I suggest that you check out the articles below.

Testosterone And Health

What Hair Products/ Brands Contain Chemicals That Lower Testosterone?

man styling hair

The quick answer is that most commercially available hair products and brands contain these chemicals that lower testosterone. By hair products I’m referring to styling products, straightening chemicals, dyes and shampoos. I’ve actually done a separate article for shampoos. Which you can check out below.

Chemicals That Lower Testosterone Found in Shampoo

The Chemicals That Lower Testosterone Found In Hair Products

The chemicals listed below are the toxic chemicals that can be found in hair products. Not all are chemicals that lower testosterone. However they can all cause potential health issues. So thought it was worth noting them for you. So you can avoid them as much as possible.

  • SLS/ Sulfates
  • Parabens
  • Benzene
  • DEA/ TEA
  • Formaldehyde
  • Fragrance
  • Alcohols
  • Methylisothiazolinone
  • Phthalates
  • Polyethylene Glycol
  • Toluene
  • Triclosan
  • Synthetic colors & Hair Dyes

I’ll be covering the chemicals that do lower T. Why they lower testosterone in more details below.

What Are Endocrine Disruptors?

Stop SIgn

You will notice that the term endocrine disruptor will be brought up quite a few times in this article. Included amongst the chemicals that lower testosterone production. Endocrine disruptors are chemicals that can interfere with how the hormonal/ endocrine system works. This interference can result in incorrect hormonal production & imbalance. Which includes lowered testosterone production and increased estrogen production.

The problem with endocrine disruptors doesn’t finish there though. The hormonal imbalances can potentially cause multiple serious health problems. This can include the development of cancerous tumors, birth defects & other developmental disorders.

Essentially any bodily system controlled by hormones. Can potentially be negatively impacted by endocrine-disrupting chemicals. So now you understand what an endocrine disruptor is. Let’s crack on with these chemicals that lower testosterone. Found in hair products.

You Can Learn More About Endocrine Disruptors Here!

SLS/ Sulfates

Sodium lauryl sulfate (often listed as SLS) is a common ingredient. Found in thousands of types of products. Across cosmetics, cleaners, body cleaning, skin care, hair and oral care products. It is extremely widely used and most peoples exposure is very high! SLS is a chemical that causes products “foam”. It can be listed on ingredient lists as sulfate. Be sure to keep an eye out for that as well! While SLS originates from coconut. The manufacturing process it goes through. Results in SLS becoming toxic and an endocrine disruptor.

As an endocrine disruptor. It can negatively impact your hormone profile and testosterone production. SLS breaks down the moisture barrier on your skin. This then leads to other dangerous chemicals (like the ones listed below). Being able to penetrate the skin far more easily. Potentially causing more damage! Exposing your skin to SLS is thought to make it 100 times more permeable. Than it would be naturally. So the threat of SLS. Especially when combined with any of these other chemicals, is a major one!


hair gel

Parabens are widely used in a broad range of skin, cosmetics and hair care products. It is probably the most commonly appearing chemical. That you will see in my series on chemicals that lower testosterone. Parabens are used as a preservative. They are chemicals that lowers testosterone due to two key problems. It mimics estrogen in the body. Further worsening your ratio of testosterone to estrogen. Parabens are also endocrine disruptors. Which as we know ruins hormonal balances including lowering testosterone production


Fragrance formulations are “trade secret” information. As a result what they consist of doesn’t have to be revealed. There are however some common fragrance ingredients used. One is phthalates which you can find out more about below. The others are synthetic musks. This includes things like, galaxolide and tonalide. These synthetic musks have been linked to endocrine disruption. It looks extremely likely that they are chemicals that lower testosterone.


man with mousse in hair

Pronounced thal-ates, these are chemicals are endocrine disruptors. They can negatively impact the male reproductive system. This includes decreasing sperm count, the destruction of testicular cells & thyroid irregularities. The first two are two of the major reasons Triclosan can lower testosterone. The biggest issue with phthalates is. You never see them listed on product ingredients!

The main way these are “snuck” in is through our old friend “Fragrance”/ “pafum”. Fragrance is potentially the most ambiguously listed ingredient that exists. Due to it being considered as “proprietary”. Manufacturers don’t have to disclose what their fragrance is made from. This is how chemicals that lower testosterone like phthalates can be snuck in to hair & other products.


The FDA in the US has classified Triclosan as a pesticide. Despite this classification. It is still a commonly featured ingredient in many products. Triclosan is an endocrine disruptor. It has also been linked with causing antibiotic resistance.


man with gel on hand

Triethanolamine (TEA) is a chemical that can penetrate the skin. In studies on animals it has been shown to be an endocrine disruptor. So it can negatively impact testosterone production. It can also potentially trigger asthma, be an immune system toxicant and negatively impact the kidneys. TEA is considered so harmful. That it has already been banned from products in Europe,

Alternative Product Options Free Of Chemicals That Lower Testosterone

I’ll be putting together an article recommending some hair care product brands that don’t contain these types of chemicals. So keep an eye out for that. Until that time. I advise to opt for brands that are organic. Promote themselves as being free of toxic chemicals. As that as is the only way to ensure you are avoiding the toxic chemicals.

Final Thoughts On The Chemicals That Lower Testosterone In Hair Products

I hope you have found this article on chemicals that lower testosterone in hair products useful. You should now have an understanding of why these chemicals are such a threat to your wider health as well! If you have any questions in regard to this article. Or chemicals that lower testosterone as a whole. Just drop me a comment below and I’ll get back to you.

Remember I’ll be publishing an article shortly. On safe hair product alternatives that don’t contain chemicals that lower testosterone. So just be sure to keep an eye out for that as well! Please share this article with anyone you think may find it useful. You can follow me on my social media apps as well. So check them out for more tips, on the chemicals lower testosterone production. Products that are free of these chemicals. Also ways to optimize testosteorne & wider health,

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