퍼머넌트 웨이브 시술방법에 따른 모발의 물리적·역학적 특성 변화

Abstract

This research is the hair damage as treating a permanent wave before and after that is compared and analyzedthe change of physical and mechanical properties. This is the survey of women's hair in 20 years old. On the basis of thiswe would like to analyze a extend of hair damage. Also, we would to show a basic data for hair damage prevention andhair improvement to keep the beautiful and healthy hair. The conclusion is as follow. : The swelling degree after the treat-ment was found to be greater than before permanent wave treatment. For the formational characteristics wave, untreatedhair certainly had more elastic S curl wave than damaged hair in all the permanent wave treatments, and damaged hairand extremely damaged hair had less elasticity and had saggy S curl wave. The protein permanent and soft permanentin all the hair condition. As the degree of damage on hair got greater, the tensile strength dramatically decreased and asthe degre of damage got greater, the elongation was great as well. For treatment method, direct heating permanent waveshowed the greatest effect, causing the most damage.