Journal of the Korean Society of Cosmetology 2011;17(4):609-619.
Published online August 31, 2011.
갯지렁이 자가분해물 처리에 의한 염색모의 품질개선 효과
이선심, 강상모
Research Paper : Quality Improvement Effect of Dyed Hair by Lugworm Autolysate Treatment
Sun Sim Lee, Sang Mo Kang
Abstract
We examined the effect which it has on the hair after treating the dyed hair impaired by dyeing with crude protease taken from Lugworm (Marphysa sanguinea), namely, autolysate. The control group where deactivated protease had little differences in thickness change of dyed hair, and the experimental group where treated with crude protease had the thickness of dyed hair grow thinner over time and the tensile strength also be reduced in accordance with it. In the observation of these samples through an optical microscope, the cuticle and soils which fell off from 30 minutes began to be removed in the experimental group, compared to the control group. Also, in the hair surface observation through SEM, the surface grew smooth in the experimental group, compared to the control group. However, because the reflected color loss of dyed hair appeared in the experimental group compared to the control group, it is necessary to take the dyed hair which has smooth surface and which has no change in hair brightness by taking the enzyme reaction time within 30 minutes. As the results of having observed the wave form when perming the dyed hair, in the force to form and maintain the wave, both thick hair and thin hair were good in the force to form the wave of the hair which washed after treating with it for 20 minutes, rather than the hair which didn`t treat with lugwom autolysate, and the force to form the wave of the hair which didn`t wash after treating with the lugworm autolysate for 20 minutes was better, and the force to maintain the wave after shampooing 20 times this experimental group was very high as the same values with the force to form the wave of the control group. Like this, lugworm autolysate makes smooth the surface of the hair impaired by dyeing, and the force to form and maintain the wave decreases when generally perming the impaired hair, but these disadvantages were able to be overcome only by treating with lugworm autolysate for another 20 minutes. Accordingly, it indicates the possibility that can be developed as very important hair cosmetics to be able to raise the wave efficiency by treating with lugworm autolysate only about 5-20 minutes when perming the hair impaired by dyeing.
Key Words: Lugworm, Marphysa sanguinea, Protease, Dyed hair, Wave, Treatment


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