지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
이용수16
Contents국문요약··················································································ⅩⅠ. Introduction ·································································································· 1Ⅱ. Theoretical Background ········································································ 51. The structure of the hair ··············································································· 52. Melanin role and melanin synthesis pathway ·············································· 63. Characteristic of hydrogen peroxide as bleaching agents ··························· 8Ⅲ. Materials and Methods ···························································· 101. Materials and equipment ······································································ 101) Materials ······························································································ 102) Equipment ···························································································· 102. Methods ································································································· 111) Collection of hair samples ································································· 112) Classification of hair samples ··························································· 113. Bleaching conditions ············································································· 12(1) One time bleaching ········································································ 12(2) Two times bleaching ····································································· 134. Determination of hair bleaching effect and observation of hairdamage indicator ··············································································· 13- III -(1) Color change of hair pieces ··························································· 13① Observation with the naked eye ················································· 13② Chromaticity measurement ··························································· 13(2) Change of physical characteristics ················································ 14① Thickness measurement of hair shaft ········································ 14② Tensile strength measurement of hair shaft ····························· 14(3) Morphological change of the hair shaft ········································ 15① Thickness measurement of the cuticle ······································· 15② Morphological observation of the cuticle ···································· 15Ⅳ. Results and Discussion ···························································· 161. Hair bleaching effect ····················································································· 161) One time bleached hair ················································································· 16(1) Color change of hair pieces ···································································· 16(2) Change of lightness, redness and yellowness ······································· 19① Lightness (L*) index change ································································ 19② Redness (a*) index change ··································································· 21③ Yellowness (b*) index change ····························································· 232) Two times bleached hair ·············································································· 25(1) Color change of hair pieces ···································································· 25(2) Change of lightness,
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