The problem that is not solved by many people in bleaching hair is bleaching and the hair color is brighter than other points. Let's see what this problem is caused.

 

The bleaching of the hair and the hair base is brighter than the tip of the hair caused by...

 

- Divide the hair too thick. And down the base of the hair with the tip, not the base. In the bleaching process, the hair should be discarded with 1 cm of the hair tip.

 

- Do not check the level. If the hair base has already reached the level But the end I haven't Use water injection Inject and wipe out to stop the work of bleaching powder.

 

- Time to get the bleaching powder Press the hair on the scalp. Make the base of the hair bake Cause heat to cause the hair base to become cracked during the joint Should find a cotton swab tea tube as a secondary line at the base of the hair to ventilate The base of the hair will not be over Or applying a powder to bleach the base of hair a lot Will make that point too amazing.

 

- Down the base of the hair to the tip of the hair every time bleaching (This is dangerous Because there may be a problem with the scalp Because the 3rd time, Hi will reduce the% down.

 

* If you want to bleach Or have to bleach many times Should not use high percentages for the first time. Should use 9% or 6% depending on the hair condition. And every time to bleach next time Should reduce the heat to be lower than the first time every time Because it helps to keep the hair condition strong, should take 35-45 minutes per cycle and check Hair condition that cannot be bleached, I used to do dark brown color. Can't bleach The hair will be worn out before getting white. Bleaching white hair to make gray / gray, purple / purple / silver / pink hair or fashionable hair color at the end after bleaching is done. -2 times, together with the powder bleaching residue on the hair

 

 

*** How to reduce the value of hydrogen

- 12% hydrogen - 1 part water per 1 part hydrogen will get 6%

- 12% hydrogen - 1 part water per 3 parts hydrogen will get 9%

- 9% hydrogen - 1 part water per 3 parts hydrogen will get 6.75%

- 9% hydrogen - 1 part water per 1 part hydrogen will get 4.5%

- 6% hydrogen - 1 part water per 1 part hydrogen will get 3%

- 3% hydrogen - 1 part water per 1 part hydrogen will get 1.5%

 

 

This method is used in case of high exhaustion. Is a method that can be substituted. Hi, which has a high%, can be low, but the hi that has a low% can not be high. And mix as much as you can use Because if mixed then Can not be stored

 

**** Find the difference of the hair. If the area rises to level 4, but the level that the customer wants is 7, then take 7 sets, minus 4 = 3 is the brightness that customers want. The high brightness of 3 levels is about 9%.

 

 

 

Technique By Pro. Jack - Witthaya Praphol Rattana