The application provides a
hair growth spray and a preparation method thereof, and is characterized by comprising the following steps: S1, taking
phyllanthus emblica, dried ginger and huangkuizi as prescription medicinal materials according to a prescription; S2, cleaning and uniformly mixing the prescription medicinal materials and then crushing them; S3,
softening and rewetting the prescription medicinal materials so that the
water content of the traditional Chinese medicinal materials reaches 65%-75%; S4, wet-state enzymolysis of the
softening and rewetting prescription medicinal materials; S5, placing the wet-state enzymolysis prescription medicinal materials in a container, adding 5-10 times the
mass of the prescription medicinal materials of aged highland barley
wine, sealing and then soaking for 30-50 days, and then filtering to obtain an active liquid; S6, concentrating the active liquid to remove part of
ethanol in the aged highland barley
wine, reducing the
ethanol concentration in the active liquid to 10%-12%, and then filtering; S7, nanometer treatment of the active liquid after the step S6; and S8, sub-packaging. The application solves the inconvenient use of the existing
hair growth product and the problem that the
efficacy of the
hair growth product prepared into a spray is reduced.