Dark spots that remain after removing armpit hair are usually related to residual hair follicle roots, which can be improved by laser light removal, etc. Patients usually choose a razor with a soap tip to shave in the direction of armpit hair growth. Patients usually choose a shaver with a soap tip to shave in the direction of armpit hair growth. The dark spots that remain after the removal of armpit hair are due to the fact that only the hair shaft is removed, while the root of the hair remains in the follicle. The principle of laser hair removal is to utilize the photothermal effect of the laser to destroy the root of the hair follicle under the skin, so as to achieve permanent hair removal. After laser hair removal, you should do a good job of underarm cleaning and hygiene. And need multiple treatments. For patients who still have black spots remaining after removing armpit hair, if they are self-conscious of the impact on aesthetics, it is recommended that they go to a regular hospital and make improvements under the guidance of a professional doctor.