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What to Expect at the Salon

Every salon has their method but this is the general steps to YUKO Hair Straightening.


A stylist will check your hair type, chemical history, dryness and damage level.


They will wash your hair and spray on the appropriate pre-treatments. The pre-treatments prepare the hair with necessary nutrients for processing.


YUKO Hair Straightening solution will be applied and left to saturate the hair. The solution will physically change the internal structure of the hair.


The solution is rinsed off completely.


After rinsing, the stylists will blow dry and iron the hair. Ironing permanently creates the straight shape.


By applying the neutralizer, it conditions and finalizes the newly straightened hair. The stylist will rinse off the neutralizer and style the hair accordingly.

Straightening System FAQ

How long does the YUKO hair straightening process take?

3-4 hours, depending on the hair type, length amount of hair and damage level.

How long does YUKO hair straightening last?

Hair that is treated with YUKO will remain straight almost permanently. However, new hair will grow according to its natural texture. We recommend that you get YUKO touch-ups every 4 to 6 months, but the interval will vary depending on your natural hair texture and how quickly your hair grows

How soon after having YUKO hair straightening can the hair be washed or get wet?

You can wash or wet your hair 2 day after this treatment is done. Blow dry 100% after shampooing every time to maintain the integrity of the straightening service

How does YUKO hair straightening work?

The solutions used for YUKO Hair Straightening permanently straightens the hair. The solutions work by physically changing the internal structure of the hair. By applying heat with a flat iron, it creates a permanent straight shape.

Is YUKO hair straightening safe?

Yes. YUKO solutions do not contain any chemicals that produce formaldehyde or any other cancer-causing substances.

Will YUKO hair straightening damage my hair?

The YUKO process is not just about straightening hair, it also re-texturizes your hair to a healthy shine. Correct application by a trained and experienced stylist will give you the results you desire. Make sure you consult a stylist experienced in YUKO hair straightening if you have any concerns.

Does YUKO hair straightening work on any type of hair?

Yes, YUKO hair straightening works on all hair types. Although we do recommend taking extra cautions when dealing with highlighted and damaged hair. The best candidate for YUKO hair straightening is healthy virgin hair or hair that has been coloured by a professional stylist-not home colour

Can I have YUKO hair straightening and colour at the same time?

No. Colour your hair at least 2 weeks before or after the straightening procedure. Applying both chemical treatments simultaneously will result in hair damage, so do them separately to avoid undesirable results.

I have done a different brand of Japanese hair straightening before. Can I still have YUKO hair straightening done?

If the previous hair straightening procedure uses the same chemical (Ammonium Thioglycolate) as YUKO straightening solutions, applying YUKO will not be a problem. Please contact both companies to make sure chemicals are the same. Even if both use the same chemicals, the YUKO hair straightening process may not fully work if the hair is badly damaged already. Strand tests are performed prior to any YUKO service to ascertain if your hair is suitable for a YUKO service.

I have done a relaxer/Brazilian/Keratin treatment before. Can I still have YUKO hair straightening done?

No. We do not recommend getting YUKO hair straightening except on new growth. Please wait a minimum of 3-4 months until the relaxer/Brazilian/Keratin Treatment coating is completely off your hair to get YUKO hair straightening. Your hair will be strand tested for suitability.

Do I need to use special hair-care products after the YUKO treatment?

YUKO offers home care products that will work optimally on hair that has been treated with YUKO hair straightening. Please refer to our After Care Tips for information on daily hair care.

How is YUKO Japanese hair straightening different from other Japanese hair straightening methods?

In addition to being a state-of-the-art hair straightening system, YUKO hair straightening is also a recognized technique of restoring health to the hair. The YUKO Hair Straightening procedure holds a patent in the US, as well as in Japan, New Zealand, Turkey and other countries.

How is YUKO Japanese hair straightening different from Brazilian/Keratin treatment methods?

YUKO Japanese hair straightening permanently straightens hair by physically changing the internal structure of hair. Brazilian/Keratin treatment temporarily coats hair with keratin to smooth hair. Brazilian/Keratin treatments will wash out in average 3 months, so you must visit a salon often to re-coat the hair with this method. Brazilian/Keratin treatments may contain hazardous chemicals which release highly carcinogenic gas.

Anti-Frizz FAQ

What kind of results can be expected?

The treated hair will be smoother and more manageable. The wave patterns will become looser and it will retain some

body and waves. 3-4 hours, depending on the hair type, length amount of hair and damage level.

What ingredients are in the solution?

The main active ingredient of Ant-Frizz by YUKO is Thioglycerin. Our solutions also contain natural ingredients from silk, soy, wheat, meadowfoam. Our solutions DO NOT contain formaldehyde, formalin or any other chemicals that can release harmful gases.

How does this treatment work?

Anti-Frizz by YUKO utilizes 2 solutions for the desired results. The 1st solution softens the hair bonds, and the 2nd solution coats the newly softened hair with natural ingredients, while depositing proteins into the hair.

How long does this treatment last?

The treatment will last on average 2 – 3 months and the hair will slowly regain back some body. Overtime, the hair become progressively frizz free the more often the treatment is carried out. The use of Kokoro G Shampoo and treatment, which is sulphate free, is highly recommended.

Does this treatment work on any type of hair?

This system is most effective on processed and damaged hair. This treatment can be performed on hair with bleach, Brazilian/Keratin Treatment and Japanese hair straightening as well.

How is the treatment different to Yuko Straightening?

Anti-Frizz is a treatment that will semi-permanently smooth away and help contain frizz , making hair more manageable. Yuko straightening will permanently get rid of frizz and straighten hair.

How is this treatment different from Brazilian/Keratin treatments?

Anti-Frizz by YUKO, unlike the Brazilian/Keratin Treatments, does not contain formaldehyde, formalin or any other chemicals that can release harmful gases. The procedure for Anti-Frizz by YUKO utilizes 2 solutions, containing natural ingredients, whilst most Brazilian/Keratin Treatments use only 1 solution, sometimes containing quite aggressive and noxious ingredients.

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