Common methods of hair removal are depilatory cream hair removal, laser hair removal, etc. After hair removal, black spots on the skin are given topical application of medication and laser treatment according to specific conditions. 1. Hair removal cream: many people will have allergic reaction to hair removal cream after using hair removal cream, which will cause rash and pigmentation, in this case, you can apply glucocorticoid creams, such as dexamethasone cream, hydrocortisone cream and so on. You can also apply hydroquinone cream, azelaic acid, or use infrared rays and laser treatment. 2. Laser hair removal: laser will cause damage to the hair follicles, resulting in irritation, you can apply local antibacterial and anti-inflammatory creams, such as silver zinc cream, yellow zinc oxide cream, etc., to promote the inflammation subsides, convergence of hair follicles. After hair removal skin black spots, do not blindly deal with their own, should go to the hospital in a timely manner, under the guidance of the doctor’s instructions to follow the instructions of the treatment, and review on time.