| 모발 탈색에 적절한 과산화수소의 농도와 처리 시간 |
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김우빈, 박은준, 김기영 |
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| Research Paper : Optimal Concentration and Processing Time of Hydrogen Peroxide in Hair Bleaching |
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Woo Been Kim, Eun Jun Park, Ki Young Kim |
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| Abstract |
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Hydrogen peroxide (HP) is used for strong oxidizer, bleaching agent and disinfectant. In the study, the influence of hydrogen peroxide was investigated for the optimal hair color change by 3 different the concentration and processing time. Virgin hair was collected and divided into 10 pieces. One piece was used control hair, and the 9 pieces were treated with 3%, 6%, 9% HP and incubated in 10, 20, 30 minutes at 40oC. The change of color, physical properties and morphology in hair was observed by chromameter and SEM. In the result, lightness, redness and yellowness of 3% HP treated hair increased slightly in 30 minutes, in contrast 6% and 9% HP treated hair in 20 minutes increased quickly and steeply. Thickness and tensile strength of 9% HP in 10. 20, 30 minutes treated hair shafts showed thinner and lower than 3% and 6% HP treated hair shafts. The stongest damage of hair cuticles such as nick, swelling and exfoliation observed in 9% HP treated hair shafts. In conclusion, 3% HP treatment may be not useful for healthy hair, and 6% HP treatment in 20~30 minutes may be weak hair and lightly damaged hair. And 9% HP could be used carefully for healthy and thick hair and incubated maximum 20 minutes. |
| Key Words:
Color difference, Hair cuticles, Hydrogen peroxide, SEM, Tensile strength |
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