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Hair Growth-Promoting Effects of Lavender Oil in C57BL/6 Mice
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  • Journal title : Toxicological Research
  • Volume 32, Issue 2,  2016, pp.103-108
  • Publisher : The Korean Society of Toxicology
  • DOI : 10.5487/TR.2016.32.2.103
 Title & Authors
Hair Growth-Promoting Effects of Lavender Oil in C57BL/6 Mice
Lee, Boo Hyeong; Lee, Jae Soon; Kim, Young Chul;
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 Abstract
The purpose of this study was to determine the hair growth effects of lavender oil (LO) in female C57BL/6 mice. The experimental animals were divided into a normal group (N: saline), a vehicle control group (VC: jojoba oil), a positive control group (PC: 3% minoxidil), experimental group 1 (E1: 3% LO), and experimental group 2 (E2: 5% LO). Test compound solutions were topically applied to the backs of the mice ( per application), once per day, 5 times a week, for 4 weeks. The changes in hair follicle number, dermal thickness, and hair follicle depth were observed in skin tissues stained with hematoxylin and eosin, and the number of mast cells was measured in the dermal and hypodermal layers stained with toluidine blue. PC, E1, and E2 groups showed a significantly increased number of hair follicles, deepened hair follicle depth, and thickened dermal layer, along with a significantly decreased number of mast cells compared to the N group. These results indicated that LO has a marked hair growth-promoting effect, as observed morphologically and histologically. There was no significant difference in the weight of the thymus among the groups. However, both absolute and relative weights of the spleen were significantly higher in the PC group than in the N, VC, E1, or E2 group at week 4. Thus, LO could be practically applied as a hair growth-promoting agent.
 Keywords
C57BL/6 mice;Dermal thickness;Hair growth;Hair follicle;Lavender oil;
 Language
English
 Cited by
1.
Morphological analysis of the growth stages of in-vivo mouse hair follicles by using optical coherence tomography, Journal of the Korean Physical Society, 2016, 69, 5, 749  crossref(new windwow)
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