Japanese Thermal Reconstruction (Thermal Straightening) is a category name for a thio or cysteine-based straightening, utilizing a lotion/cream, flat iron and a peroxide-based neutralizer.

If the hair is compromised, dry or previously straightened, it would be wise to start with an OLAPLEX Stand-Alone Treatment. If the hair is healthy, proceed directly to the treatment. Follow the manufacturers instructions for the brand of Thermal Straightener you are using. OLAPLEX can be added to any manufacturers product as OLAPLEX will not affect processing times.

  1. Add 1/8oz (3.75ml) OLAPLEX No.1 BOND MULTIPLIER to 4 (120ml) – 6 (180ml) ounces of the straightening lotion or cream, apply and process as usual.
  2. Add 1/8oz (3.75ml) OLAPLEX No.1 BOND MULTIPLIER to 4 (120ml) – 6 (180ml) of the neutralizer and apply as usual.
  3. Immediately after applying neutralizer, apply OLAPLEX No.2 directly down on top of hair, set timer for recommended neutralizing time. Gently smooth hair straight with your hands every couple of minutes until timer sounds.
  4. Rinse, lightly shampoo and condition. We recommend using OLAPLEX No.4 BOND MAINTENANCE SHAMPOO and OLAPLEX No.5 BOND MAINTENANCE CONDITIONER for best results.


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