Brand new, unopened. Will be shipped in a simple package, in a plastic bag. HAIR COLOR SELECTION STRATEGY MANUAL Drug Selection Strategy Manual List price: 3,520 yen No more learning hair color through trial and error! Learn the "why?" of drug selection to avoid failures, regardless of the drug or hair history. Until now, hair coloring was a matter of researching the recipe for the desired color and learning by doing. This made it difficult to grasp the causes of failure, and it took time to improve... ! In this book, you will first learn the basics of color theory, drug knowledge, and how to identify the base. Then, you will learn the combinations of drugs by formulating them into three types. You will be able to handle a wide range of customers without failure with any drug, and you will acquire lifelong color techniques! Perfect for assistant training curriculum! Contents: ① Basic knowledge of color ・Brightness of hair, melanin & pigment quick reference table ・Basics of color mixing ・How to think about color mixing using the original color wheel ② Basic knowledge of colorants ・Principle of alkaline color ・Bleach oxy ratio usage quick reference table ・How to use clear agents ③ Drug selection formula ・Role of drugs: "Target color", "Complementary color", "Correction color" ・Three types of drug selection ・Causes and countermeasures for colors that tend to fail, such as ash and lavender What is HAIR COLOR ACADEMY? An online salon with the theme of "eliminating the 'somehow' of hair color," where you can learn the theory of drug selection, the causes and countermeasures for hair color failures, etc. 1600 members (as of August 15, 2022).