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KMID : 0604520190450020185
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Journal of the Society of Cosmetic Scientists of Korea
2019 Volume.45 No. 2 p.185 ~ p.198
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A New Attempt to Establish the Extrinsic Aging Hair Model to Evaluate The Response to Aging in Physical Property
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Song Sang-Hoon
Choi Won-Kyung
Park Hyun-Sub
Im Byung-Taek
Park Kyoung-Ran
Kim Young-Hyun
Park Su-Jin
Son Seong-Kil
Lee Sang-Min
Kang Nae-Gyu
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Abstract
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Human tissue undergoes aging by the oxidant damage via structural change and its physical properties. The skin aging process is well known and many evaluations have been conducted. However, studies on hair aging were relatively few and thus care for aging hair is difficult. This study aims to fabricate an aging hair and identify anti-aging effect with known ingredient in anti-aging. First of all, physical properties of aging hair of age 60s by physiologically intrinsic factors were compared to those of the hair made by various extrinsic factors such as several chemical reactions and iteration numbers of the treatments. The extrinsic aging hair of this study relates to the less amount of lipid and to the hair of perm treated once accordingly, wherein several physical properties, preferably comprise roughness and tensile strength, present a novel concept of the intrinsic aging hair. The penetration of peptide into the aging hair was leading the extrinsic hair towards more structurally directed a younger hair. In addition to the structural change, the penetration of the peptide enhanced texture and tensile strength of the aging hair.
These patterns have been also found in addition of propolis. For the first time, these qualitative studies exhibit that indeed our extrinsic aging hair well describes the anti-aging efficacy as a receptor for a cross-linker and the ingredients of human hair.
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KEYWORD
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anti-aging, carbodiimide reaciton, human hair, propolis, shampoo
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