The Effects of Earthworms Autolysate on the Gray Coloring of Bleached Korean Hair

Park, Jeong-a; Cho, Young-jae; Kang, Sang-mo

Journal of the Korean Society of Cosmetology 2018;24(3):439-452.
Published online June 30, 2018.

지렁이 자가분해물이 한국인 탈색모발의 회색계열 염색에 미치는 영향

박정아, 조영재, 강상모

The Effects of Earthworms Autolysate on the Gray Coloring of Bleached Korean Hair

Jeong-a Park, Young-jae Cho, Sang-mo Kang

Abstract

In coloring gray hair in bleached hair for Korean people, it is hard to color and maintain hair due to hair damage. To solve this problem, the following samples were prepared: a control group with gray hair coloring, a pre-treated group in which hair was colored after earthworms autolysate treatment on bleached hair, mixed group in which hair was dyed with the mixture of earthworms autolysate and hair color . To examine color durability by shampoo frequency (once, 10 times, 20 times) after coloring the bleached hair once and 3 times, L^*, a^* and b^* values were measured. L^* and b^* values were the highest in the pre-treated group until 20th shampooing after coloring the hair in dark gray (8.11) and bright gray (10.11) once and 3 times, followed by the mixed group and control group. Hair was visually inspected by experts after shampooing the colored hair up to 20 times. In terms of

Key Words: Bleach, Cystine bond, Earthworms-autolysate, Gray dye, Hair