| Cystein 처리 후 산화제 반응시간이 컬형성과 컬유지력에 미치는 영향 |
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문금옥, 김순경, 김기영 |
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| Research Paper : Influence of Curl-Formation and Curl-Sustainability by Oxidation Agents Reaction Time after Cystein Treatment |
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Keum Ok Moon, Soon Kyoung Kim, Ki Young Kim |
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| Abstract |
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The aim of this study was evaluated the formation and sustainability of curl and hair damage minimization during the permanent waving. So that, sodium bromate and hydrogen peroxide as oxidant have been treated with cysteine on normal hair for 5-, 10-, 15- and 20- minutes and then the wave form, physicochemical properties and morphological change have been observed. As the results, optimal reaction time of oxidants has been confirmed as 20-minutes application of sodium bromate and 10-minutes application of hydrogen peroxide. When comparing two oxidants, hydrogen peroxide was excellent in formation rate of wave and sodium bromate was superb in curl sustainability. Considering the decrease in hair thickness was lower in sodium bromate than in hydrogen peroxide but was same in both 10-minutes treatment of sodium bromate and 20-minutes treatment of hydrogen peroxide. In addition, tensile strength was higher in treatment of hydrogen peroxide. When it comes to morphological observation of hair cuticle, hair damage turned out to be low because hydrogen peroxide with strong oxidizing capacity reacts to hair for a very short period of time. Therefore, it is considered that sodium bromate should be used to preserve elastic S-curl for a long time and to reduce the perm frequency and hydrogen peroxide should be treated to curtail the time required in permanent waving and to minimize hair damage. |
| Key Words:
Permanent waving, Thioglycolate, Natrium bromate, Hydrogen peroxide, SEM |
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