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The Hair Growing Effect of Minoxidil KIMIYO TAKESHITA,asbIZUMI YAMAGISHI,” TOMOMI SUGIMOTO,a SUSUMU OTOMO,O AND KAZUO MORIWAKIb aResearch Center Taisho Pharmaceutical Co., Ltd. Ohmiya 330, Japan
bNational Institute of Genetics Mishima 411, Japan Minoxidil (MNX), a potent antihypertensive drug, has been used for treating patients with severe refractory hypertension. During treatment, hypertrichosis occurred in the Then MNX developed as a hair-growing drug. Although the mechanism of hair growth by MNX is not fully known, it includes the effect of increasing blood flow3 and the effect of stimulating hair follicle cells.4.5 Moreover, it has been suggested that the active metabolite of MNX for hair growth is MNX sulfate. In this study, we examine the hair growing effect of MNX and MNX sulfate and compare them using C3H mice and alopecia periodica mice.
MNXS 2 %
MNX 2 %
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FIGURE 1. Hair growing effects of MNX (A) and MNX sulfate (B) in C,H mice. We applied the solutions to mice dorsal skin throughout the experiment period and measured the color difference. Results are expressed as the mean of 8 to 16 mice per group. Variance analysis was used for the experiments. A probability of