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KMID : 0379520060220030221
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한국독성학회지
2006 Volume.22 No. 3 p.221 ~ p.228
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Hair Growth Promotion Effect of a Bio-Active Shampoo, Bonogen in C57BL/6 Mice
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Hong Jin-Tae
Lee Se-Ra
Kim Hwan-Hee
Cho Young-Kwang
Baek In-Jeoung
Yon Jung-Min
Nahm Sang-Soep
Kwack Dong-Hoon
Lee Jung-Eun
Lee Beom-Jun
Yun Young-Won
Kim Cheol-Jung
Nam Sang-Yoon
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Abstract
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Bonogen shampoo is composed of several plant extracts which are known to be used in oriental medicine. This study was carried out to investigate the effects of Bonogen shampoo on hair growth in an alopecia model of C57BL/6 mice. There were eight male and female experimental groups including distilled water(DW: negative control), a commercial shampoo[M], 3% minoxidil (MXD) and Bonogen shampoo(BNG). Dorsal skin hair of six-week-old mice was trimmed with an electric clipper carefully not to damage the skin. The next day, mice without skin scratch were selected, randomized and separated in 10 mice per group. The test compounds were topically treated with 0.15 ml per mouse or dorsal skin for 21 days daily and then washed thoroughly with DW. The hair regrowth was determined photographically at 0, 4, 7, 10, 15, 18, and 21 days and histologically at day 21. No clinical signs were observed in all mice. Although body weight was slightly increased in 3% MXD group than other groups, it was not significant. Hair regrowth began to be promoted after 14 days and appeared a distinct regrowth pattern in all animals by topical treatment of test compounds at 18 days. In particular, the topical treatment of bonogen shampoo or 3% MXD for 21 days to dorsal skin accelerated hair regrowth faster than DW or M shampoo. At 21 days, the hair regrowth promotion speed was in order of 3% MXD>BNG>M>DW. The bonogen shampoo or 3% MXD also promoted hair follicle elongation compared to the negative control. These results suggest that bonogen shampoo has hair growth promoting activities and may be useful for treatment of bald or alopecia.
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KEYWORD
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C57BL/6 mouse, Bonogen shampoo, Topical treatment, Hair regrowth
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