Applicable people：
Hypertrichosis caused by excessive secretion of androgens leading to disorder of self secretion.
Hypertrichosis caused by genetic or racial reasons.
Beauty lovers who want to remove hair and rejuvenate their skin.

Taboo population：
Pregnant women with hypertension, heart disease, diabetes and epilepsy; During menstruation, pregnancy, and lactation, it is prohibited for women.
People with severe skin diseases; People whose skin is in an allergic or repair phase.
For people with photosensitivity, those with photosensitive constitution and recent photosensitive drugs (such as retinoic acid and tetracycline) are prohibited.
People who cannot avoid strong sunlight in the near future (those who have recently been exposed to sunlight and those who are about to receive it).