The invention belongs to the field of
cosmetics and relates to novel application of leech, i.e. application of the leech to
nursing of hair or
scalp of a head, a composition which is prepared by using the leech as the main
raw material and is used for
nursing the hair or the
scalp of the head, and a preparation method of the composition. For the novel application of the leech, the effects of
hirudin on activating blood, dissolving stasis, promoting
blood circulation and removing obstruction in channels are utilized for
nursing the hair or the
scalp of the head, so that
blood circulation of the head is strengthened, the
blood flow is enhanced, the scalp is nourished, capillary waste of the scalp is removed,
melanin is timely conveyed for
hair papilla and the hair is blackened and brightened. A
research process also shows that the
hirudin has capabilities of promoting the
metabolism of the scalp, activating
hair follicle tissues and strengthening
hair roots so as to achieve the effects on hair promotion, hair nourishment and alopecia prevention, fundamentally improve the physiological status of the hair, promote the
hair growth and integrate three effects on alopecia prevention,
alopecia treatment and
hair growth into a whole; and the
hirudin also has an effect of repairing damaged hair, so that the hair becomes smooth and tenacious.