This post was a little tough for me to write.  In fact, it took me about 2 months to finish it, because I didn’t want to see the evil truth.  It turns out that most hair products contain a lot of horrible ingredients, even the professional products that I have used for years.  But for the sake of the article, I have narrowed it down to the top 10 worst ingredients used in hair products.

You won't believe the types of ingredients they use in everyday items! Check out the top 10 worst ingredients in hair products.

Are you ready for some science-talk and big words?…  Because I sure am!  However, I want you to remember that if you look for it, you can find bad in everything.  I think a lot of these ingredients are probably safe on the small levels we use them in, but it isn’t 100% certain.  I just want you to have an open mind when you read this.

Now, on to the worst ingredients found in hair products….

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Hollee Wood is a professional hairstylist with over 10 years of experience in the hair industry. She loves teaching about the science of hair along with everything else beautiful.


  1. So give us a list of recommend hair products that don’t contain any of those things…

  2. “Prevalence” of puberty is not the correct term. Prevalence is the number of cases within a population. Everyone eventually hits puberty.

  3. Hollee,
    Two things. First, after reading this I am really happy with my shampoo and conditioner. They rock! Secondly, I can read this from a chemist’s point of view and I can tell you that the amount of these chemicals that go into the products is very small, BUT some of these chemicals are really bad! In the lab, we use gloves, goggles and lab coats. In the shower, we are naked. Dioxin and PEG are the worst. I’m actually really surprised these chemicals are in shampoo and/or conditioner. I’m glad you wrote this. I feel well informed on the subject now.

    • Yeah, its really crazy to see what they put in this stuff. It’s not even just shampoo. A lot of other things like toothpaste, soap, etc. have some bad stuff in it. I wish the companies would not go that far and care more about our health than money. I’m glad you liked it 🙂 Thx for reading<33

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