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Ingredient Watch List: Phenylenediamine, the Hair Dye Allergen That Can Irritate Skin

Have you had your hair colored lately? If so, you were probably exposed to phenylenediamine (PPD), a chemical widely used in most hair dyes, even those that claim to be natural. It’s a popular ingredient because it helps new color to look natural, and to withstand numerous washings without fading. There are some concerns with this ingredient, however, that may make you think twice about how often you change your hair color.

What is Phenylenediamine?

Also known as paraphenylenediamine, p-phenylenediamine, or 1,4-benzenediamine, PPD is an organic compound used in hair dyes, as well as in rubber chemicals, textile dyes and pigments. Manufacturers like it because it has a low relative toxicity level, high temperature stability, and chemical and electrical resistance. In other words, it helps the new color stay on your hair despite numerous washings, dryings, and stylings.

What are the Concerns?

The main concern with this ingredient is that it is an allergen, and can create difficult skin reactions on the scalp, ears, or neck—wherever the hair dye comes into contact with your skin. The National Institute for 
Occupational Safety and Health (NIOSH) notes the following:

  • PPD is potentially capable of causing multiple toxic effects following skin contact.
  • Data from studies of both humans and animals are sufficient to demonstrate that PPD has potent skin-sensitizing properties.
  • Several cases of contact dermatitis have been reported following occupational exposure to dyes containing the chemical.
  • Studies have also identified the chemical as the third most common ingredient, after fragrances and preservatives, that can cause contact dermatitis from cosmetics (mainly skin-care products, hair preparations and colorants, and facial makeup products).

In fact, a group of European dermatologists noted that as more young people color their hair, the incidence of hair dye allergies is on the rise. Patients with severe reactions suffer from painful rashes around the hair line or on the face. Facial swelling is also common. Some reactions are so serious that the sufferers must be hospitalized.

“Over-Exposure” Causing More Allergies?

What's Your Skin Score?

Experts theorize that as more and more people color their hair more and more often, the incidence of PPD allergies goes up. PPD is also present in many inks used for temporary tattoos. In 2001, the FDA noted it had received several reports of adverse reactions to these temporary skin-staining products, including “black henna” which may contain PPD.

The FDA stated, “So-called “black henna” may contain the “coal tar” color p-phenylenediamine, also known as PPD. This ingredient may cause allergic reactions in some individuals. The only legal use of PPD in cosmetics is as a hair dye. It is not approved for direct application to the skin.”

PPD used in skin tattoos has a greater potential to cause allergic reactions because it is often used at higher concentrations than in hair dyes, and is also applied while in it’s oxidation process. Still, the fact that it’s not approved for use on the skin raises concerns in itself—how can you get your hair colored without some of the stuff coming in contact with your scalp or the skin around your hair, neck, and ears?

How Do You Know if You’re Allergic?

You may not be allergic to PPD. It may not bother you at all today—but it may tomorrow. That’s how so-called “skin sensitizers” work. The more you use them, the higher your risk that your skin will become sensitive to them.

If you’re not allergic, you may just want to continue to color your hair with caution. If you are allergic, you’ll probably experience symptoms such as those mentioned above (rash, swelling), and you may also experience blisters and sores on the scalp, wheezing, hives, itching, and dermatitis on the forehead, eyelids or ears.

How to Avoid This Ingredient

If you are concerned about allergic reactions to PPD, read labels and avoid the following ingredients. Realize that PPD is also in many over-the-counter hair dye products for both men and women.

  • p-Phenylenediamine or paraphenylenediamine
  • 4-phenylenediamine
  • phenylenediamine
  • p-diaminobenzene
  • 4-aminoaniline
  • 1,4-benzenediamine
  • 1,4-diaminobenzene

For hair dyes that are PPD-free, I only recommend Henna. I feel that it’s the safest option. (Read more about Henna here.) If you’re looking for other less-toxic options, you may want to try the following:

  • Semi-permanent dyes
  • Lady Grecian® Formula
  • Palette by Nature
  • Sanotint Natural Permanent Hair Dye
  • Jerome Russell’s Color Mousse
  • Temporary Color Spray
  • Grecian® Formula
  • Clairol® Loving Care Haircolor
  • Sun-In®, Spray-In Hair Lightener
  • Vegetable-based hair dyes such as juglone from walnut shells

Do you have a favorite toxin-free hair dye? Please share.

* * *

Photo courtesy BedazzledSalonSpa via

p-Phenylenediamin, JADN Repository, March 2007,

“NIOSH Skin Notation Profiles, p-Phenylene Diamine (PPD),” Department of Health and Human Services, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health.

Salynn Boyles, “As More Teens Use Hair Color, Incidence of Allergies Increases,” WebMD, February 1, 2007,

Temporary Tattoos & Henna/Mehndi, FDA, April 18, 2001,

“p-Phenylenediamine – Patient Information,” Allergen Patch Test,

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COMMENTS ( 109 and counting )
  1. leroy courteaux says:

    There is a company that makes a Product called Ju-ja isometrics that will make any Hair Color or Bleach safe…..For information visit they web page at or

  2. Kristen says:

    I am extremely allergic to PPD and have lightened my dark blonde hair for years. I can no longer use permanent blonde dye as I react both box and salon brands contain PPD. Since my hair is dark blonde I found that sun in spray and Sanotint lightening kit (for highlights work very well) I am also sensitive to nickel and Sanotint is PPD and Nickel free.
    They both do contain peroxide however.

    • Luna says:

      Please no one use Sanotint light- it does have ppd in it as well as p-aminophenol & toulene –both are also allergants. I wish I hadn’t listened to people saying it’s OK…now going to ER
      Mehandi henna was prob my best bet I feel like a fool:(

  3. Crista says:

    What if someone’s suffering of that kind of allergy? What should he/she do? face become swollen and reddish.

    • Lindsay says:

      Discontinue any hair dye immediately ! PPD is lethal and can even cause the throat to close up in certain hyper sensitive individuals. if your face is swollen and red, you need to get to a hospital…. sometimes the symptoms can get better on their own but its not worth risking. I have found a product which is free of ALL chemicals, its HENNA without all the additives…”Love My Hair’ is the brand. I haven’t tried it yet but the darker colours and the reds apparently cover grey/white hair successfully. I got it from

  4. Veronica says:

    Can my husband be allergic to my hair color? He does not color his hair but I do, he thinks that he is coming into contact with something in my hair color that is causing a rash on his left arm, which is the side I sleep on in our bed. Could this be true?

  5. jenny says:

    My husband is very alergic to the black hair dye I was using. So yes

  6. jenny says:

    His reaction started on his shoulder front and chest which was where I slept. A few months later he then started getting it on his mouth area from kissing my head and his hands from running his fingers thru my hair. The dermatologist did a patch test an we found out he’s allergic to ppd

  7. jasmine says:

    I was looking this up for a research paper and I am planning on dyeing my hair bright blue soon. is it safe for my hair

  8. Jennifer says:

    I had scarlet fever, and decided to dye my hair while I was ill. I have been dying my hair blond for many years, and decided to do something different. I dyed the bottom half of my hair grape black, and within a day, I was covered in a rash from head to foot. I was on cortisone, phenegans, 3 x daily, injections or both for a few weeks, and it never made any difference. I literally wanted to scratch my skin off. My scalp was covered in large bumps like huge mosquito bites.
    After suffering for 3 months, I finally started not itching. I then decided to literally do 3 blond foils on my hair, and…WHAM….. the itches were back with a vengeance.

    I have come to the conclusion that I am allergic to PPD. I have not dyed my hair for 3 months, and I have finally lost the last itchy bump on my scalp. My reaction was a full body reaction, and I was really sick for some time afterwards. This is really a pain, as it is virtually impossible to find dyes in South Africa without PPD.

  9. fran cooperman says:

    half the products advertised on the net for people who are allergic to PPD have long been taken off the market. lady grecian formula and loving care have not existed for years. why on earth clairol does not bring back loving care when so many people are allergic to PPD is beyond me. if everyone wrote them perhaps they would consider it.

  10. Steve says:

    Check Original Minerals” from Australia/ England

  11. Marina says:

    I’ve made a petition – will you sign it?
    Click this link to sign the petition:
    My petition:
    Ban the sale of products containing the chemical PPD (para-phenylenediamine)
    We are calling for a ban on the chemical para-phenylenediamine (PPD) being used in hair dye products in the UK. Exposure to PPD can cause severe dermatitis, asthma, hives, stinging, swelling of the eyes/face, blisters or oozing of the scalp/ skin, tremors, convulsions, shortness of breath.
    Mild symptoms such as rash, burning or itching can progress quickly to very severe ones requiring hospitalisation. Other European countries have banned this chemical from sale due to the risk of significant injury and death it poses to consumers. The observed adverse effects of PPD raises serious doubts in terms of its safety. We call on the government to ban the sale of products containing Para-phenylenediamine in order to achieve the highest possible degree of protection to UK consumers.
    Click this link to sign the petition:

  12. Anupma says:

    Hi all
    I m very allergic to hair colours and even henna as a matter of fact . I was looking for hair colour for so many years and found a nice hair colour . It does not give any allergies and it contains all herbal ingredients. Email or message me and i can send you a sample . I m sure you wont have any complaints .
    I m in sydney Australia

  13. Kathy says:

    I’m in the U.S., but here’s my story. Three months ago I went into anaphylaxis from hair dye applied at the salon. I had ALL the symptoms, progressing rapidly, and went to the hospital emergency room. I’m certain that 10 more minutes’ delay and I would have died. I also felt toxic/poisoned for the subsequent 3-4 weeks and continue to be hypersensitive to all shampoos. Welcoming my emerging lovely silver hair now. Applaud your efforts to get it banned! It’s deadly.

    • suzanne says:

      Hi I’m a hairdresser that has had the same reaction but I’ve found a product online anyone can buy called chi it’s ammonia and pod free and i can finally colour my hair good luck

    • Donna says:

      I have been coloring my hair for twenty years and it was only in the past three months that I started to notice an itchy scalp after getting my color done. The first time I didn’t really connect the mild itching to the coloring as it was gone in a few days. The next time I went in I noticed a tingling sensation on my scalp at the salon and when I got home it wasn’t that long before my scalp started to itch. This time I thought there was a connection and it went away within a couple of weeks. The last time i questioned my hairdresser and asked if she had recently changed the color product. She hadn’t. She put in an additive that was to take care of any reaction. It took a few hours before the itch was back and this time it spread to a rash around my hairline after about ten days. I went to the dermatologist and he gave me some cream and it wasn’t getting much better and by this time it had spread to patches on my legs, arms and elbows. I got a patch test done and it confirmed I was allergic to PPD.
      I knew I would someday let the silver come out as I didn’t want to see my hair color, dark auburn, not match my complexion. I don’t think there is any perfect time to let it grow out, but I have short hair so I feel lucky for that.

  14. Margaret says:

    My favourite is Vegetal, made by Herbatint. Lovely and natural looking colour, although I need to re-do it weekly as it washes out easily. Covers my grey well – perhaps because my hair is fine – so I’m happy to invest the time in it!

    Hope this helps someone.

  15. suzannr says:

    I’ve been a hairdresser for the past28 years and am now allergic to ammonia and ppd it gives me an anaphalatic reaction . I had to give it up untill I found an amazing product called chi you can buy it online and it was made through a hairdresser that suffered the same reaction.I have also used the colour on myself and had no problems with it so I hope this helps you too

  16. Katie says:

    Has anyone ever tried Kenra hair products?

    I have an allergy to PPD and have had it since I got a temporary henna tattoo 15 years ago. To date the only hair colour I have found that work are bleach (no toner) and Elumen by Goldwell. Elemen is great for colour except it is impossible to reverse and does not cover grey! I’m currently looking for alternatives. I had a patch test of Kenra 2 days ago and have no reaction so far but am still hesitant to cover my scalp in it.

  17. denise says:

    I read about a hair dye from Germany called Logona in a book called Healthy Beauty by Epstein, a medical doctor. This dye is supposed to be free of ppd and many other toxic ingredients. I’d love to know how to find it in the GTA (Greater Toronto Area)

    • Aiden says:

      Hi Denise
      I live in Ireland and purchased logona online through Amazon:) I have recently had a bad reaction to PPD and to be honest the logona is just sitting here as I am afraid to use it! Also I have just had delivery of hairprint from the US and that is actually edible! You should look into it!

  18. henrietta wolfe says:

    When I type in a product to see if it contains PPD’s. I see the following Missing:ppd’s with line thru PPD’s. What does this mean?

    • Annmarie Skin Care says:

      If you see a line though PPD, it means that it isn’t listed on the page or in the product that you’re looking at. You might want to use the full word and search for other names for a PPD to conduct your search.

  19. Adolfo Giron says:

    I get skin rush and itches from color dye that contains P-Phelynedamine is there a product with out it? I dye my hair and need something I am allergic to Pphelynedamine. Help!

  20. Cathy C. says:

    I recently dyed my hair, using a dye I’ve used for years. I don’t color my hair frequently but when I do I always use L’oreal hair dye.

    I panicked when I looked at the back of my head to see if I missed any spots, only to see two white patches on my scalp. I lost my hair in those spots, some areas on the top of my head and sides of my head. My bangs shriveled to the top of my head! It was an awful experience, like I burned my hair!

    I spoke to my doctor who suggested I speak to my dermatologist. Her office told me to call my allergist. He suggested I come in for a chemical patch test, an invasive test where I would have to see him three times a week for 36 weeks! My back would be covered with ink dots where the patches would go. I would not be able to bath for those three days. I decided not to go through all that as I am not exposed to chemicals for any reason.

    I did my own research and have been doctoring my hair myself, using Biotin with Saw Palmetto and it is working great. My hair is almost completely back to normal. The crown of my head is still thin but it’s a lot better than it was. I also give my scalp (where the part is), an oil treatment twice a week, using Castor oil. Google it! It’s amazing! I think the combination of the biotin and Castor oil are doing a wonderful job.

    Please note that I am a breast cancer survivor, was diagnosed five years ago, and did have chemo and radiation. I don’t know if this has anything to do with the change in my body’s chemistry that may have contributed to this newly discovered allergy.

    • Cathy C says:

      I forgot to add in my comment that my beautician thinks, based on her experience, and the condition of my hair, that I am most likely allergic to a chemical in hair dye, called PPD, otherwise known as Paraphenylenediamine. It is a very harsh chemical and common allergen found in permanent hair dyes, shampoos, make-up, conditioners, even mascara. Women have been known to lose their eye brows, using mascara that contains PPD. I may also be allergic to ammonia in hair dye.

      I can no longer dye my hair or perm my hair as the chemicals in perm solutions are extremely harsh. I must read all hair product labels before purchasing. I will do some research on natural, chemical free hair dyes. If I am lucky, I will find one. If not, I will learn to live with gray hair – at my age, I earned every one!

  21. Dusty says:

    I was training to become a hairdresser and became severely allergic to hair dyes and perms, a horrible rash went over my whole body for 2 years!!

    Now I’m looking to get a tattoo. Does anyone know if there is PPD in tattoo ingredients?

    Thanks for any help.

  22. alex says:

    Hi how about this product?

    New ME+ DYE molecule*

    •Formulated without pPD/pTD**
    •Simple and complete line-up
    •With up to 100 % grey coverage and 3 levels of lift
    •Colour used as part of the Couture Color services

    how safe do you think this product is? cause I have already experienced all you have mentioned above regarding skin reactions on the scalp, ears and neck.

    • Annmarie Skin Care says:

      Hi Alex,

      If you’re experiencing itchiness and reactions on your scalp after using a product, I would say that it isn’t safe for you to continue using. It’s best to check out all of the ingredients listed on the box (active and inactive) to see what could cause a reaction for you.

  23. Susan says:

    I had a severe reaction to ppd (swollen forehead, bad enough to have to take heavy duty steroids) which was actually in a semi permanent dye. I now use Sebastian cellpophane. Although it does not last as long as hair dye it covers the grey!

  24. Every time I dye my hair ( Granir) I get a sever Insects Attack they embed themselves in my sclap and cause a terrible unbearable burning and itching. The horrible part is it causes sever hair loss and dangling.. The sad part is the doctors won’t or will barely exaime my scalp. I had one doctor actually tell me an insect that had just embedded itself on the top of my head was a mold. I have stopped using all cosmetics including deorants, masscarra, polish for this has added to the insect attraction. The insect infestation problem started with some one bringing them into my home. I have tried virtually every thing to rid me of this horrible problem I am on my own. Don’t know wheres left to turn for HELP.

  25. Carmen says:

    I have been tested for chemical allergies by my dermatologist & found out I tested positive for PPD. (Which by the way can go by about three more different names at least) I was given a report of all the products that contain PPD which seemed endless. From lotions, shampoos, conditioners, moisturizers, ink, tattoo products, sun care products, makeup … the list goes on and on. Tired of the skin breakouts, the large welts on my head & neck, blisters & bleeding I stopped dying my hair over a year ago. I recently found a hair dye with no PPD from a company in England that claims they do not use PPD or other harsh chemicals called Madison Reed. I tried the hair dye for the first time two months ago and haven’t had a allergic reaction to it. I’ve used it twice- so far so good. I’m in California & ordered it online. Since it worked for me I’m having it sent to me automatically every 4 weeks. The entire crown area of my head is grey , so I really needed it to cover the grey completely , which it did! . I hope it continues to work for me without any more of the horrible reactions.

    • sandy says:

      i too am highly allergic to PPD among many other chemicals. My hairdresser tells me there is one that she uses on another coustomer with no problem. it is PPD and AMONIA free. its called Chi ionic. if anyone has used this please reply as she is going to do a path test on a strand of hair and see if I can tolerate it. im scared!

    • tara says:

      I have been suffering with skin for over a year now.Horrible. Hands were first. Itchey,flakey,peeling and even bleeding. Then the legs and arms,chest and back. Now the face.Red blotches all over. sometimes my eyes are swollen. never goes away. My hair is getting thinner. Iam a hairdresser and have used CHI forever. love it. Been to 2 dermotaligest now going to Uof Chicago on the 14 of Oct. Hope they can find out the cause. Been on predisone 7 times in a yr. lears up but comes right back. Embarraced to go out in public.Maybe it is the PPD. One Dr.told me Iam allergic to sun. HELP.