Composition for promoting hair growth or preventing hair loss
A hair loss and hair growth technology, applied in hair care, drug combination, cosmetic preparations, etc., can solve problems such as unpredictable, sticky skin, sexual dysfunction, etc., to relieve inflammation, prevent hair loss, Excellent hair growth effect
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Embodiment 1
[0045] A hair growth composition was prepared by mixing 5% by weight of oleoylethanolamine, 30% by weight of ethanol, 50% by weight of polypropylene glycol (Mw=76.09) and 15% by weight of water prepared by the method.
[0046] Evaluation was carried out by in vivo experiments mainly using C57BL / 6 mice six weeks after birth (place of purchase, China) for hair growth and hair growth effects. The C57BL / 6 mouse is an animal model most widely used as a hair growth experiment with a specific cycle in which the hair is in the catagen phase from the age of six weeks after birth, and the hair is in the catagen phase from the age of seven weeks. The telogen phase returns to the growth phase at 12 weeks of age.
[0047] Let the mice go through a one-week adaptation period under the feeding conditions of 23° C., 55% relative humidity, and 12 hours of lighting time, and then conduct the experiment at the age of 7 weeks.
[0048] After placing the mouse in a desiccator filled with ether an...
Embodiment 2
[0064] [Example 2] Evaluation of Relief of Inflammation
[0065] Purchase female Balb / C mice six weeks after birth (place of purchase, China), and under the feeding conditions of 23°C, relative humidity of 55%, and lighting time of 12 hours, after a week of adaptation period, to 7 weeks 20 μl of 12-O-tetradecanoylphorbol-13-acetate (TPA), which is an oncogenic promoter, was applied to the right ear of the mouse at a concentration of 50 μg / mL.
[0066] After 10 minutes, 20 μl of the hair growth composition of Example 1 was applied to the experimental group respectively. After 6 hours, the ear was cut off with a 6 mm punch, and the weight was measured.
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