If using a hair color product

Patch test

Before each use of this product, perform a skin allergy test 2 days (48 hours) in advance.
*It is not necessary to conduct a skin allergy test if using a temporary hair dye product or a hair bleaching product.

What is a skin allergy test?

A skin allergy test is a test to see if you are allergic to a hair dye. Some people have food or drug allergies. Similarly, although not often, some people are severely allergic to a hair dye. Also, like other allergies, a poor health condition may allow a hair dye to trigger skin irritation for those who have never experienced it before. Therefore, always perform a patch test two days before dyeing your hair.

Directions

  1. Prepare a skin allergy test mixture/cream. Mix a specified amount of Solution 1 and 2 using a cotton swab.

  2. Apply the mixture/cream to the inside of the arm and wait for 48 hours. Take the mixture/cream on the cotton swab, apply it lightly to the inside of the arm as if drawing a circle , about the size of a $1 coin and let it dry naturally. Make sure to keep clothes away from the arm until the mixture dries.

  3. Check 30 minutes and 48 hours later.
    You may dye your hair if you do not experience itchiness or swelling within 48 hours.

Preparation

Items you need other than the product

  • Tissue 
  • Newspaper or other material to cover the floor 
  • Towel 
  • Mirror 
  • Two elastic band 
  • Wide toothed comb 
  • Water-repellant cream (e.g. NIVEA Creme) 

Skin

Skin

  • Apply a thin layer of oil-based skin cream around the ears and along the hairline including the forehead. This makes it easier to remove any hair dye from the skin.
  • To ensure a good dyeing result, make sure that the cream does not get on the hair.

Hair

Hair

  • Comb back your hair in advance so that it does not cover the hairline.
  • If you have long hair, divide hair in sections and tie it to ensure an even hair dye application.

Clothes

Clothes

  • Change into an open-front shirt that you do not mind staining.
  • Use a large towel or cape to cover the neck and shoulders.

  • Put gloves on and secure them with elastic bands.
  • Cover the floor or sink beforehand to keep it clean.
  • Read the directions carefully and use the product correctly.

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