<> 1. HOW TO PROCESS (wash & tangle-remove & condition) AND COLOR (bleach & dye) H/HAIR
( Special Preparations, Bleaching, Dyeing, Conditioning, Tangle Removal, etc)
We train SPECIAL SECRET -Treatment for producing lightest colors (#60, #613, #26, #24, #22) from natural dark colors of raw human hair

We closed our hair processing factory since C-19 pandemic breakout, 2021.
And so, we do not provide Full Hands-On-Training (Full Offline Training) in Korea which was done with 100 Liter containers and over 10 Kgs of human hair brought by each trainee.

Semi Offline Training: We provide Semi-Offline Training which will be done with (1) manuals written (revised about 1,000 times for over 20 years) by John Yim in English & (2) videos filmed & edited by John Yim with (3) addition of briefly performing Visual & Physical Demonstrations in our training center or office with small amount of real human hair (you bring, about 1 Kg in total ), small amount of real relevant chemicals, relevant machine and tools for a short time each working process or treatment.

John Yim will keep providing After-Training Technical Support (Q & A) service by email, WhatsApp, phone at no additional charge for years (or forever).

Online Training: We provide (send by UPS) Full Online Training material set made up of (1) the manuals written by John Yim and (2) training scene videos filmed by John Yim & edited by John Yim for each of ex-trainees (3) reference materials for future Q & A (technical support).

John Yim will keep providing keep After-Training Technical Support (Q & A) service by email, WhatsApp, phone at no additional charge for years (or forever).

1. Special Preparations to make raw hair suitable for processing (washing, bleaching, dyeing, etc)


How to Wash & Clean raw hair (Indian Temple Hair) for processing or for supply of raw hair
< This technique enhances the raw hair, SPECIALLY VIRGIN REMY HAIR sold in bulk, wefted, or pre-tipped without bleaching,coloring. >
3a. How to make Natural color (Natural dark color of Asian Hair, Natural Blonde Slavic Hair) from Non Remy hair or Remy Hair
3b. How to make Black color, Dark Brown, or #613, Grey from Natural color (Natural dark color of Asian Hair, Natural Blonde Slavic Hair) in Non Remy hair or Remy Hair
How to make (process) a bundle of Dark Colors of hair with (many) GREY HAIRS become in a color among 1B,2, 4,6,8,10,12,14,17,30,33,22,24,26,27,613,60
4. How to make Non Remy hair become tangle-free (Tangle-Removing)
5. How to bleach
6. How to dye ( See below)
7. How to make hair softened ( Hair-Intenerating/Softening).
8. How to make hair conditioned Silky, Vivid,Smooth,
9. How to do Reversed hair Treatment,
10. How to solve (remove) Hair-tangle of a wig, a hair extension you are wearing now
11. How to change the color of hair extensions, hairpieces once dyed or bleached
12. How to process Hennaed hair to produce ( match) a color
13. How to process Salon-dyed/bleached hair to produce ( match) a color
14. How to tell Remy hair from Non-Remy Hair(Indian hair, Chinese Hair, Vietnam hair, Indonesian hair,Russian hair, European Hair, etc)
15. How to process Long Hair such as 20", 24",or longer
16. How to process Short hair such as 10", 12"
17. What is the difference in processing Indian hair, Chinese hair, Russian hair
18. What is the difference in processing between hair for Hair extensions and hair for Weft/Wig-making
19. How to remove LICE-NITS from hair  
20. and other Secret techniques  
   How to bleach & color (dye) for Dark Colors #1, #1B, #4, #6 ( Black, Dark brown), etc
   How to bleach & color (dye) for Medium Colors 1 #8, #33, etc
   How to bleach & color (dye) for Medium Colors 2 #10, #12, #30, etc
   How to bleach & color (dye) for Light Colors 1 #14, #18, #27, etc
   How to bleach & color (dye) for Light Colors 2 #613(Lightest Blonde),#60(Grey), #16,#22,#101
   How to bleach & color (dye) for Fancy Colors Blue, Pink, Red, Violet, Yellow, Silver Blonde
  How to make Ombre Hair Colors #613/violet, Dark brown to ash blonde ombre;
Dark brown to copper ombre;
Black to dark coffee ombre:
Platinum blonde ombre

During training, we give you (1) Written MANUAL (21 pages + 10 Extra Reference Pages) in paper and (2) Hands-On-Training scene VIDEOS in running time of 10 hours videotaped for the past trainees,
and we study the manuals and the videos, and we perform actual demonstration to explain how to do each work, actions, motions with related machines, tools, chemicals, real hair for short time each..

We provide other videos showing the hands-on-training (actual processing) scenes of the past trainees coming from Russia, Ukraine, Uzbekistan, Kurdistan, UK, France, Germany, South Africa, Nigeria, Cameroon, India, Indonesia, China, Vietnam, Bangladesh, Myanmar, USA, Australia, Brazil, USA, Canada, etc - -- different hair characteristics, different weather, different working environment.

The videos contain lots of practical examples, and help you to learn and understand processing & coloring (raw) human hair in a variety of qualities and conditions/properties.

What to bring when you come to us for our class :
Your own Raw Human Hair
Equipments, Tools, Hair Colors(Dyes) - used in processing & dyeing Human hair can be purchased in your country.
- Very simple things ! ( We'll inform in details after enrollment is done.)

Into our Tutoring Classes, we have integrated all of our experience, techniques, and information
we have obtained
in manufacturing & exporting machine made Wigs (made in human hair, Synthetic fiber) ,
Hand-tied Toupees, Human hairpiece in bulk or weft (weaving), Chemicals, Machines, other materials, etc
since 1982.
Besides, we have tried to upgrade Tutoring Methods ( approaches) to be easy and more efficient
as the only company internationally serving Tutoring Classes in Hair Goods industry.

Copyright© since 1998 JohnKorea® All rights reserved
Cell : +82-10-8686-1313