| abstract |
The health condition of client's hair is thoroughly understood prior to hair treatment by diagnosing the extent of damage in terms of perming, coloring, straightening, frequency of shampooing, home care, use of hair care products, and the like so that the most appropriate preparatory treatment, necessary softening time, liquid chemical, reaction time with liquid chemical, and ironing temperatures are determined according to the extent of damage to carry out a hair treatment procedure such as perming and coloring. |