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How to tell if your hair is protein sensitive


Many ladies think that they are protein sensitive. Are they denying their hair the necessary strength it needs to retain growth?

Protein sensitivity is a sometimes controversial but always a hot topic in hair care. Simply put, protein sensitivity is when hair will overreact in the presence of protein making it dry and brittle and more prone to breakage. On the other hand, in the presence of constant protein, ALL hair will behave this way, so how can you tell if you are actually protein sensitive or if you’ve simply been using too much protein conditioner?

Lady with long and big afro hair

It’s amazing how quickly people will declare themselves protein sensitive before looking at the facts. Recently a dear friend mentioned that she thought that she was protein sensitive. Her reason for this was that she had recently done an Aphogee two step protein treatment and her hair had turned out hard and brittle. On touching her hair, I could see that she was right. She said that she’d followed the instructions on the bottle and deep conditioned straight after. I couldn’t think of why her hair would react like this when it usually responded really well to protein conditioners. I then asked her what she had used to deep condition after the Aphogee and it turn out that she had used her favourite protein conditioner as “her hair always felt lovely after it”!

That was the problem. She had effectively done a double protein treatment! Instead of following up the Aphogee with a moisturizing conditioner, she had cancelled out the positive effects of the first protein treatment by adding more protein on top of it! I recommended that she co-wash her hair with a moisturizing conditioner every other day for the next week or two and also reduce manipulation until her hair returned to normal.

Now maybe the above is an extreme example of someone getting it completely wrong on protein sensitivity. There are ladies who may use a regular protein conditioner which then causes an adverse effect on their hair but without trying a different brand protein conditioner, can they be sure that this is protein sensitivity or just a conditioner that did not agree with their hair?

Are you protein sensitive? Happily, this is a question that many curly haired ladies don’t need to answer. Protein does nothing but good things for our hair which craves the structure that protein provides to hold on to moisture that our hair needs. However, there are curly haired ladies who’s hair genuinely hates protein and as such they should continue with the moisturizing conditioners maybe every once in a while using light natural protein treatments like yoghurt or molasses.

There are some ladies however who are unsure if they are protein sensitive or not. Some days, their hair will ‘behave’ after a protein conditioner or treatment but sometimes, they get the dreaded dryness.

To answer the question, protein sensitivity is likely to occur when the subject is getting a good amount of protein in their diet and their bodies are efficient at using said protein. It’s likely that many of us have come across a person, male or female who’s nails grow long and strong naturally without any hardeners. Those people have bodies which are efficient at utilizing the protein that they are getting from their diet. In this instance, if they tried to use nail hardener, their nails would start breaking due to having too much protein and the same may be true for their hair. Protein conditioners in their case would likely be detrimental.

If you are this person who’s nails are naturally hard and strong and your hair also happens to overreact to protein conditioners, then it’s very likely that you are protein sensitive.

This is not a hard and fast rule but rather a guideline in proclaiming protein sensitivity. If your nails grow soft without much structure and break easily then clearly your body is not efficient at using the protein it gets or you are likely not getting enough protein in your diet. However, if at the same time your hair overreacts to a protein conditioner, the best thing to do would be to try another protein conditioner to see if that helps. If not and you are convinced that your hair is protein sensitive, then concentrate on moisturizing conditioners but increase the amount of protein in your diet.

Author Bio

BHI – has written 198 posts.

BlackHairInformation.com is the brainchild of myself Alma Campbell. I am a homemaker, a mother and a writer. I started the website in mid 2008 with breaking relaxed hair. After making the decision to transition to natural hair, I have now fulfilled my dream of healthy long hair and I want you to achieve the same. My favourite subject is hair and I continue to blog about my hair journey here but I also write a weight loss blog LessFoodMoreLife.com

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Posted by on February 20, 2010. Filed under Hair Treatments & Recipes, Protein Treatments. You can follow any responses to this entry through the RSS 2.0. You can leave a response or trackback to this entry


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  • t

    Which ingredients should be used in making a non-protein moisturizing homemade DC ?

    • Mariadjoa

      Im using the  aphogee treatment every  6 weeks, but my hair still needs protein, what kind of leave in pruducts can i use? thank you so much!

  • admin

    For a moisturizing one I would suggest something oily like egg yolks (no whites) and avocado with a dash of coconut milk to loosen the mixture to a shampoo like consistency. There's very little that is completely protein free (as proteins are the building blocks of life!) but these 3 ingredients have low protein and more oil which will hold in the moisture from the water making it a moisturizing conditioner. ;-)

  • http://youtube.com/watch?v=pbHrWzTjQ8Y Jenna

    this is a really great site, thanks for the great info. I am going to keep reading more of your stuff

  • http://www.nursingschoolsinfo.com/ nursing schools

    Great site. A lot of useful information here. I’m sending it to some friends!

  • dee

    WHO IS THE MODEL AND WHERE CAN I GET MORE OF HER PIX, HER HAIR IS GORGEOUS!!!

    • http://www.lessfoodmorelife.com/ BHI

      stock photo i’m afraid!

  • http://profiles.google.com/fashionredroom fashion room

    Hi, I use aphogee treatment then the balancing moisturizer but my hair is always dry and brittle. Am I protein sensitive?

    • http://www.lessfoodmorelife.com/ BHI

      It’s possible that you have been using too much of it but to properly ascertain if you are protein sensitive or not, pls look at this post http://www.blackhairinformation.com/hair-treatments-and-recipes/protein-treatments/how-to-tell-if-your-hair-is-protein-sensitive/