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2019 / ȣ: V.31,no.3,Sept |
1() |
ó ջ |
2(Ÿ) |
Hair Bleaching and Degree of Damage by Thermal Treatment |
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, , Ӽ* |
(Ÿ) |
Yu Rim Seong, Eun Ju Kang and Sun Nye Lim* |
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Ŵб Ƽ̿а |
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Dong Shin University |
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155 ~ 164 : 10 |
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Korean |
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Abstract This study comparatively analyzed hair bleaching and degree of damage by
the temperature of a heating tool after coloring hair with a permanent, semi-permanent
or plant hair dye. According to analysis by spectrophotometer, semi-permanent hair dye
was the highest, followed by permanent hair dye and plant hair dye in terms of changes
in L* values. In terms of changes in hair shape when analyzed using FE-SEM, semi-permanent
hair dye(150C or lower) was the greatest, followed by plant hair dye(180C or
lower) and permanent hair dye(200C or lower). Therefore, it is reasonable to flat iron
hair at low temperature. According to the test, amino acid values gradually decreased in
both bleached and colored hair. The results obtained through TGA-based thermal analysis
confirmed that as brightness increases, hair moisture contents decrease. This study aimed
to protect hair by suggesting a correct use of a flat iron by the hair dye type during hair
coloring. It appears that the study results would help hairdressers minimize hair damage
by using a hair dye at proper temperature. |
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Keywords bleaching, temperature, spectrophotometer, FE-SEM, TGA |
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