What Is Phytospecific Hair Relaxer?

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  • Written By: Wanda Marie Thibodeaux
  • Edited By: O. Wallace
  • Last Modified Date: 15 September 2019
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A phytospecific hair relaxer, sometimes called a phytorelaxer, is a hair care product designed to take wave or curl out of hair. They are especially popular with women of African American descent, as African American or ethnic hair tends to be unruly and has problems with frizz, control and styling. Unlike traditional relaxers, a phytospecific hair relaxer is supposed to be free of harsh chemicals and thus is promoted as a more natural or gentle alternative to regular relaxers.

Phytospecific hair relaxers contain both egg and soy; it is the soy that qualifies the relaxer as a "phyto" or "plant-based" relaxer. According to manufacturers, the egg and soy extracts are the active ingredients that are supposed to relax the hair.

A major issue with a phytospecific hair relaxer is that, although the product does contain egg and soy extracts as advertised, it also contains guanidine carbonate, or carbonic acid with guanidine, which is an organic salt. Without this substance, the relaxer will not work properly, so it is really the guanidine carbonate that is the major active ingredient. With this substance, a phytospecific hair relaxer still has a very high pH level between 11.5 and 12.5.


Sodium hydroxide or lye relaxers are considered the harshest of all relaxer types because they have the highest pH level. The pH of a lye relaxer is anywhere from 12 to 14. Thus, a phytospecific hair relaxer and some lye relaxers can be very similar in the damage potential they have for hair. Phytorelaxers can be compared to other no-lye relaxers as well, which are based on other hydroxides and which have pH levels from 9 to 11.

Many women who use a phytorelaxer do not realize the similarity between this product and other relaxers. This is a problem because guanidine carbonate, similar to hydroxide products, is not compatible with ammonium thioglycolate, commonly known as perm salt. Combining a phytorelaxer with a "thio" product potentially can chemically burn off the hair, an issue ladies may not expect from a "natural" product. If a woman uses a phytorelaxer, she should continue to use only that type of relaxer as a result, or alternately, wait until new hair grows out enough to cut away the previously treated hair and relax new growth with a different product.

Phytorelaxers are not recommended for women who have had their hair highlighted, dyed or bleached. This includes coloring with henna or metallic substances. This is because the products used for these services create additional damage to the hair or close the cuticle to make the relaxer less effective. Using a phytorelaxer on virgin hair is the safest bet for maintaining hair health, as is true with any chemical hair product.


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Post 3

Phytospecific hair relaxers are not really natural, but they are great products nonetheless. I had phytospecific hair relaxing treatment done at a salon and it turned out very good. I think it's important to have a professional do it.

Post 2

@SarahGen-- Was your hair chemically treated with other relaxers or dyes before you used the phytospecific hair relaxer?

I agree with the article that this type of relaxer works best on natural hair that has never been treated. It's a risk to use it on chemically treated hair.

I don't like phytospecific hair relaxers because they're difficult to use. The directions are very detailed and if you mess up at any point, you might ruin your hair. There is no room for error. I think lye based phytospecific hair relaxers are better simply because it's easier to use those.

Post 1

I used a phytospecific hair relaxer last week. I did a lot of research on relaxers before I decided on this type. Phytospecific relaxers have good reviews across the board and I liked the fact that it is more natural than other relaxers.

Unfortunately, I'm very disappointed with the results. My hair didn't turn out the way I expected at all. It's very dry and looks like a total mess. It hasn't even straightened out properly. I'm not sure if I did something wrong or if this product was just not suited for my hair.

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