Armpit hair is too long can be removed by shaving knife, hair removal cream, laser hair removal. 1. Scraping knife: armpit hair is too long, you can scrape hair by scraping knife, wash the armpit, use scissors to cut the armpit hair short, use the scraping knife to scrape in the direction of the growth of armpit hair, and then rinse the armpit hair with lukewarm water, do a good job of local cleanliness, and prevent infection. But this method can not completely solve the armpit hair growth, there are trauma and infection risk. 2. Depilatory cream: clean the skin of the armpit hair part, put the depilatory cream evenly on the surface of the armpit hair. Thickness can cover the armpit hair as appropriate, generally 15 to 20 minutes can be scraped, wash the armpit part of the skin can be. This method of hair removal is only temporary, and can not remove armpit hair for a long time, but also may lead to contact dermatitis. 3. Laser hair removal: laser before the armpit armpit hair will be thoroughly shaved, the use of laser photothermal principle, selective action on the hair follicle and the melanin particles of the hair shaft, destroying the hair follicle and the surrounding hair stem cells, so as to remove the hair to achieve the purpose of hair removal. The multiple use of this method can permanently remove hair or postpone hair regeneration, after laser hair removal, pay attention to keep clean, pay attention to sunscreen and so on. There are many ways to remove armpit hair, it is recommended to choose the right method for yourself under the guidance of your doctor.