Everything You Need to Know About Keratin

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What’s the deal with keratin? Keratin protein occurs naturally in hair. Keratin treatments are an exceptional process that effectively straightens even the coarsest, curliest hair. Products that contain keratin give many of the same effects of a treatment, to a lesser degree (shine, straightness, smoothness and reduced frizz). We’ve put together a guide to Keratin so you can figure out which treatments and products are best for you!

The best hair care products with the benefits of Keratin
Your hair doesn’t have to be entirely unruly to deserve the benefits that Keratin delivers. At-home keratin treatments, shampoos, conditioners and styling products can help you combat frizz and enjoy healthier, more manageable hair without the fuss or cost of an in-salon keratin treatment. We recommend:

Klorane Shampoo with Quinine and B Vitamins
p1

Klorane Conditioner with Quinine and B Vitamins
p2

Sally Hershberger 24K Liquid Assets Daily Conditioning Remedy
p3

Nth Degree Smoothing Moroccan Oil & Keratin Serum
p4

Nth Degree Smoothing Moroccan Oil & Keratin Shampoo
p5

Nth Degree Smoothing Moroccan Oil & Keratin Conditioner
p6

KeraStraight Protein Mask
p7

GK Hair Leave-In Conditioner Cream
p8

GK Hair Deep Conditioner
p9

GK Hair Serum
p10

GK Hair Leave-in Spray
p11

Keratin FAQs

What a keratin treatment?
A keratin treatment is a temporary straightening process that transforms frizzy, unruly hair into straight, shiny, healthy hair. Using a high-temp flat iron, the keratin treatment is infused into hair, sealing the cuticle and repairing damage. Hair is stronger, smoother and more manageable.

Is it permanent?
Nope. Keratin treatments are temporary, but results last about six weeks. (The more often you wash, the more quickly hair returns to normal.)

Will it work for my hair?
Keratin treatments and products are best for thick, curly, frizzy or coarse hair. Because it actually repairs hair, keratin treatments are also good for damaged or chemically treated hair (colored, permed, relaxed, highlighted or bleached). Keratin treatments are not intended for fine, straight or thin hair, but hair care products containing keratin are awesome for these hair types looking to repair damage, fight frizz, and protect strands.

Does it damage hair?
No. Sealing keratin into cuticles can actually repair and strengthen hair. Formaldehyde, which is found in salon keratin treatments, is not harmful but is a strong solution if not used correctly, so check with your salon before you receive a keratin treatment. Hair care products with keratin are the best option for formaldehyde free options.

What if my hair is color-treated or already chemically treated?
According to pro hairstylists, Keratin can only improve treated hair. The treatment moisturizes and adds to existing chemical treatments already present. It also helps to seal color into hair. The best time to get a keratin treatment is prior to a hair color service, or 10 days after a color treatment. Keratin treatments are also extremely beneficial for hair that has had thermal reconditioning or sodium hydroxide relaxers.

Japanese Straightening vs. Keratin Treatments
Japanese straightening makes hair extremely straight and flat. Keratin treatments allow hair’s natural texture to emerge, especially as they slowly wash out. While the keratin treatment washes out over time, Japanese straightening treatments are permanent and will grow out, which will require lots of upkeep to maintain results. Therefore, Keratin doesn’t last as long as Japanese straightening, but it also doesn’t involve a grow-out phase. Both Japanese and Keratin treatment applications use high-heat flat irons to close the product into the hair cuticle.

Brazilian Blowouts vs. Keratin Treatments
Brazilian blowouts are “lighter” than keratin treatments. You might consider them a blowout with a bonus, which leaves hair frizz-free but not as straight as a keratin treatment. While Keratin treatments have a 3-day no washing period, Brazilian blowouts can be washed immediately. Also, Brazilian blowouts do not contain formaldehyde, which is a big bonus for many salon clients.

Keratin Breakdown

Benefits
Adds shine and softness to strands.

Smoother, frizz-free strands that are unfazed by humidity.

Moisture and damage repair.

Dramatically decreases drying and styling time.

Seals hair color.

Won’t grow out, so with regular shampooing, hair slowly returns to its pre-treatment state.

Maintenance
Wash hair less frequently to maintain the look longer. For maximum longevity, use a shampoo that doesn’t contain Sodium Chloride. A product with UV protection is important too.

Exposure to chlorine, salt water or excessive sun exposure will shorten the lifespan of the treatment.

Hair can be cut immediately after the treatment.

Hair can be colored before or two weeks afterward. (Coloring hair prior to the treatment seals in the color, helping to prevent fading.)

Concerns
Success can be skill and tool dependent.

Scalp and hair sometimes don’t feel as clean as prior to the treatment.

At-home application requires proper tools and precautions.

Follow-up Treatments
Repeat Keratin Treatments will be applied throughout hair the same way as the first treatment.

Must-Have Products for Upkeep

Keratin Treatment
These products are essential to the keratin treatment process. They will be infused into the cuticle – smoothing, straightening and strengthening your hair. We recommend:

GK Hair The Best Juxexin Treatment
p27

Keratin Complex Intense RX Ionic Keratin Restructuring Serum
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Keratin Complex Infusion
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High-temperature Flat Iron
Most treatments require a flat iron that heats up to 400 degrees or higher. The high temperature is necessary for proper application and it’s also helpful for maintaining your treatment. We recommend:

Solia SuperHot 1¼” Professional Flat Iron
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AbsoluteHeat Pro Ion 1″ Digital Flat Iron
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Theorie SAGA II TitanSculpt 1½” Flat Iron
p24

Fine Tooth Comb
You’ll use this when distributing the treatment and to assist with precise flat ironing. We recommend:

Cricket Silkomb Pro-10 Control Cutting Comb
p19

Cricket Silkomb Pro-50 Fine Toothed Rattail Comb
p20

Mason Pearson Tail Comb
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Sodium Chloride Free Shampoo
Sodium Chloride (salt) will fade your keratin treatment. Avoid products that contain the ingredient to enjoy longer-lasting straightness. We recommend:
GK Hair Moisturizing Shampoo
p12

dpHUE Renew Shampoo
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Theorie Helichrysum Nourishing Shampoo
p14

Theorie Argan Oil Ultimate Repair Shampoo
p15

EVOLVh UltraShine Shampoo
p16

Briogeo Rosarco Repair Shampoo
p18

Find all the best keratin hair care products, including the top 10 bestsellers, on Folica.com!

89 Comments

  1. Su mckinney says

    Could you tell me the best shampoo for color treated , fine frizzy hair?
    Can can you use Keratin on colored hair?
    Please advise via email.
    Thanks,
    Su

    • Natalie@Folica says

      Hi Su-
      We recently launched a new brand to our site called Illumai, that I believe will deliver the results you are looking for. Check out the reasons why you must try it out here: (http://www.folica.com/hair-101/hair-care/7-reasons-why-you-have-to-try-illumai/). I recommend trying the 3 step system – shampoo, conditioner and primer mist – that work together to deliver shine, volume, and manageability.

      To answer your question regarding keratin treatments, the answer is yes – keratin can be used on colored treated hair. Not only will it moisturize your hair, but it will also help to seal color into hair. Be sure to wait at least 10 days after you color hair to schedule a keratin appointment!

        • Hi! It’s important to wait as a keratin treatment and hair color are both harsh on your hair. Therefore, you need to give hair time to calm down and bounce back to a healthier state before you put it through another treatment. We actually prefer hair care products that have the benefits of a keratin treatment, instead of salon keratin-treatments. Check out all our info and recommendations above, as we have updated the products in the post:)

  2. Lily says

    I’ve tried keratin treatment and it worked for my frizzy hair. It had an amazing affect.

  3. Carly Thomason says

    I have naturally slightly frizzy and slightly wavy hair. Will keratin still be effective even though my hair is pretty easily straightened with a flat iron

    • Natalie@Folica says

      Hi Carly-
      If you typically style your hair straight, a keratin hair-straightening treatment could shorten your blow-dry time by up to 50%. It doesn’t sound like you have unruly hair to begin with, but it will still be effective in reducing frizz, strengthening the hair shaft and making your hair more resilient.

  4. Ashley says

    My hair is relaxed so it’s already super straight but it tends to get really frizzy when it’s humid. I’ve also been trying to combat hair breakage, is a keratin treatment right for me?

    • Natalie@Folica says

      Keratin treatments offer multiple benefits – It will help to prevent frizz, fly-aways and leave hair smooth, but they work best on thick, curly, frizzy or coarse hair. If your hair is already super straight, fine or thin, then this might not be the best treatment for you. A chemical treatment isn’t the only way to rid your frizz!

    • I have relaxed hair. Is it ok to use ever straight Brazilian therapy shampoo and conditioner in between relaxers?

  5. Candice says

    I recently got a Brazilian blowout. About 3 weeks ago. I use a keratin Mist almost everyday. How often should I do a deep conditioner treatment that has keratin? I know too much is bad
    Thanks!

  6. MALAHAT says

    My hair are fizzy n curly but are thin. Do you suggest keratin treatment..will it make my hair flat.

  7. Good day

    I just had a Brazilian Blowout and would like to know if it is ok for me to use a conditioner that has Sodium Hydroxide and Centrimonium Chloride as an ingredient? Or would that also strip my hair of the Brazilian blowout treatment?

    Thank you for your help.

    • Natalie@Folica says

      It’s best to use natural ingredients so that your hair is not stripped of the treatment.

  8. Tabitha says

    Can relaxed hair use keratin shampoo and conditioners. I would assume it will benefit it

    • Natalie@Folica says

      Yes – just make sure that your shampoo is sulfate free, so it does not strip the relaxer from your hair.

  9. Mona fouda says

    From what is the company of Keratin took the elements (keratin) to make keratin treatment for hair?

  10. Hi
    I was wondering if I can use the keratin shampoo n conditioner without the keratin treatment
    I have a long thick hair and don’t want to go in for the treatment can just the shampoo and conditioner work for me??

    • Natalie@Folica says

      Of course, Keratin shampoo just guarantees that no harsh chemicals are used to ensure that hair is not stripped of the treatment.

  11. Raul M says

    I’m a guy and I got the keratin treatment, I’m just wandering if I can wet my hair to go out or use gel or any type of styling products to get the look.

    • Natalie@Folica says

      Hi Raul- It’s best to wait about 72 hours before you wet your hair or use any type of hair product.

  12. Natalie says

    Are there any other products besides sodium chloride free shampoos, such as leave in conditioners, other conditioners or natural hair care oils or creams that should not be used with the keratin treatment?

  13. I have very curly but thin hair and it gets very frizzy, even during the winter. I don’t want my hair to be limp if I get keratin done. I know it goes back to normal, but I really dont want any of my hair to fall out (I heard that some types of keratin cause that). What type of keratin would work well for me? Or would a brazilian blowout be better?

  14. Crystal Ramirez says

    Is it safe to straighten my hair after using a product that contains keratin?

    • Natalie@Folica says

      Hi Crystal – Yes, it is safe to straighten your hair. Be sure you use a heat protectant to maintain the health of your hair!

  15. Pinal says

    Hey ,
    I have naturally straight but slightly frizzy thin hair . Everytime i go out i go for blow drying . Is keratin treatment useful for me . Is there any other alternative if we dont go for keratin treatment . And how much damage keratin have on thin hair.

  16. georgia says

    Hi!

    Is it possible to aply keratine treatment at damaged edges only? I have dameged edges (about 7cm) and I am looking for a way to avoid haircut!

    • Natalie@Folica says

      Hi Georgia – This depends on the salon that you go to and if this is a service they offer.

    • Natalie@Folica says

      This might not be the best idea – as it will have less of an effect. Wait it out.

  17. What happens if you don’t wash your hair within the recommended 72hr window? Can hair become damaged or over processed?

    • Natalie@Folica says

      No – Hair will not become damaged. Feel free to wait it out a bit longer for lasting results.

  18. vin says

    Hi I recently got my ash brown color and my hair look very dry…I usually do keratin in every 4/5 months…is it suggested to keratin after hair color as some friends told me that keratin will spoil ma color and make it look orange is it true!?!

    • Natalie@Folica says

      For best results always do the coloring before Keratin treatment.

  19. ERICA says

    I bought AG sulfate free keratin shampoo and conditioner to use after my keratin treatment and my hair feels greasy after the first use. Can I use the sulfate free shampoo and my regular conditioner? Or I have to use the sulfate free conditioner too?

  20. If you’ve had a relaxer in your hair within three weeks, can you still get the keratin treatment done without it breaking out your hair?

  21. Sonya says

    Can Keratin smoothing treatments formaldehyde free be applied to hair with henna in it.
    Thanks,
    Sonya

  22. Mercedes Wallace says

    Hi, I had my hair straight n shiny but I want to try something different n I just got a perm 48hrs ago n it left my hair dry n frizzy the curls fell out as soon as I hit the wind can I get the keratin treatment to gey my hair back to normal n straight again please help my hair looks bad, thank u

  23. Sasha says

    Hi I have very curly and thick hair. Despite being unmanageable I would still like to keep my curls but just get rid of the frizz- will the treatment make it straight or will I still have my curls?

  24. Hi! I Have thick curly blonde (bleached baby blonde hair. Its dry and I put a lot of product in. I’m super scared that the bleached pieces will fall out/break more with the flat iron. Should I deal with my frizzy curly hair and frizzy blowouts or get the treatment. Also, what will my hair look like after I get it washed? Think bleached blonde Keri Russell circa “Felicity”.

  25. Karla says

    Hi! I have fine(strands), thick, kinky, partial highlighted, frizzy hair. Would a Keratin treatment be effective for me?

  26. Grace says

    I was rebonded last august 2015 and colored my hair with a bleach last january 2016, and now i want to try the kerebond it is okay for my hair to try this treatment even i had i bleached hair? Thanks

    Grace

  27. christine says

    Im in college and just went natural would i be able to do this by my self ?

  28. Thalia Williams says

    If you had a relaxer 9 months ago will it fall off with the Japanese thermal reconditioning?

  29. DAWN says

    Hi there. I have been getting Keratin treatments done for five years now. Most recently though my ends are not sealing very long and are frizzy curly like. What could be going wrong? I use sulfur free shampoo hydrating conditioner. The rest of my straightener is good except for my ends.

  30. HaseenA says

    Does keratin treatment give you any allergies or any other side effects

    • Lexi says

      Hi! You would have to ask your hairstylist since formulas can differ, but usually they have options for all types of hair and allergy restrictions.

  31. Rosalyne blu says

    you say its not intended for thin hair but does it break thin hair when doing the treatment

    • Lexi says

      Thanks for the question! For thin hair, it’s a very strong treatment so we recommend speaking with your stylist first about protective options before and after a keratin treatment, like Olaplex.

  32. sweety says

    i have fine and thin hair and its frizzy and kind of wavy.Can i go with keratin treatment ?? will t damage my hair more and will there be hair loss?

    • Deborah says

      Seems like you never answer ? That have to di with thin hair, want to know what is recomended when i straighten my baby fine hair it goes back to wave but i hate it it starts in the middle of the head

      • Hi! I’m not sure I understand your question, but want to help the best I can! Please email me at lexi@folica.com with your question and I’ll be able to help with your hair question:)

        Best,
        Lexi, Folica.com

  33. Cassidy Giudici says

    I have very wavy, curly not too thick but not too thin hair. I really want my hair to be straight but I heard it doesn’t stay straight after you wash it. If I wash my hair will it be straight or will it be curly just without frizz?

  34. Rajashree Gr says

    I have wavy (can say less curly) hair. I took global keratin treatment 15 days back. It was mentioned that treatment lasts for 5 – 6 months. My hair was so shiny, straight and silky only in 1st week. But after my first hair wash it became curly and unmanageable. When i checked with the person who did hair treatment to me, she said it is keratin treatment, your hair will not be straight after hair wash and you have to use hair straightener every time after taking bath. I’m so disappointed now:( I was also using the suggested shampoo and conditioner but still no use.

  35. Kesia Haag says

    My daughter has thick coarse wavy frizzy hair and had a keratin treatment about 5 months,ago. Ever since she had it done she hasn’t been able to curl her hair. Her hair won’t hold a curl anymore. Is this normal?

    • Hi! I’m not sure I understand your question, but want to help the best I can! Please email me at lexi@folica.com with your question and I’ll be able to help with your hair question:)

      Best,
      Lexi, Folica.com

    • Yes, just make sure the ingredients are safe for your child. We recommend the ones found in this post, as they are safe:)

  36. brianna says

    Hi-
    I have thin wavyish hair, that’s very dry. would you recommend a keratin treatment? or a Brazilian blowout? i like to style my hair using a curling wand, so would i be able to still do that after?

  37. Michael says

    Do you know what kind of shampoos and conditioners there are that are best for straight perm hair and that it will combat against frizz, flakes, dandruff, will not leave hair greasy, is safe on chemically straightened hair and it won’t weaken or wash out or ruin the straight perm that is in your hair?

    • Hi! Is the hair straightened chemically, or do you mean a perm? If you need help, lexi@folica.com can help you with exactly what you’re looking for:)

      • Michael says

        I think it’s both, Keratin treated hair if that’s a familiar phrase for it.

        • For shampoo and conditioners best for keratin-treated hair, see what we’ve recently added to this blog post! We’ve updated it and made sure we recommend the best products for your hair:)

  38. Sabi says

    Hi I wana do the keratit treatment my hair is coarse and frizzy but I have thin strands fine hair can I get the keratin done or will it damage please reply thank you

  39. Glory says

    I have a daughter of 5 years of age and she likes long smooth and fine hair,i just retorched her hair with dark and lovely relaxer 2 weeks ago,she cry’s whenever I combher hair because it’s not easy for combing,can I use keratin on her? Or what advice do you have for me please?

    • Yes, check out the products in this post, as it will help you pick the perfect options for your daughter’s hair!

  40. i am suffering from hair fall. i have rough dry damaged hair. is it safe to go for keratin treatment in hair fall condition??????????

    • Hi! It isn’t safe for you to get an in-salon keratin treatment. Try the products found in this post that would best fit your hair needs and give you the healthiest, happiest, most gorgeous hair ever!

  41. Maria says

    I have hair loss (temporary). And with curly frizzy hair I don’t wanna flat iron my hair every day. Will the keratin treatment be harmful and possibly make more hair fall out?

    • Hi Maria! In-salon keratin treatments would not be good for your hair. Try some of our suggestions in this post that will be best for the benefits of keratin but still super safe and healthy on your curly hair!

  42. Hello, I’ve got soft wavy medium thick hair, the last 2 years my hair has been quite frizzy and that bothers me a lot especially since I’ve got volumized hair naturally. Looks puffy & unneat. Could you suggest me a hair care routine, shampoo, or even a keratin treatment? Whichever is best in my case.

    • Hi! Try one of the products found in this blog post! They are all fantastic for what you are looking for it sounds like:)

  43. Mara Leach says

    I get keratin treatments and was wondering if there is any at home hair color that I can use to do the color myself, but ensure that I don’t strip the keratin?

    • It might, which is why we suggest the products in this blog post as a healthy hair, safe alternative option for fabulous hair!

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