Redness and stinging of the skin after using hair removal creams may be allergies caused by hair removal creams, you should first rinse the skin with water and then disinfect it with saline. 1. rinse: after using hair removal cream caused skin redness and stinging, most of them are because of the chemical substances in the hair removal cream caused skin allergic reaction, so first of all, you should wash the skin with hair removal cream, to avoid continuing to stimulate the skin and increase the area of allergy. 2. Sterilization: Sterilization with physiological solution or saline can effectively dilute the allergic substances and play an antibacterial, anti-inflammatory role. If the redness and stinging of the skin does not disappear, or the phenomenon of aggravation, you should immediately go to the dermatology department of the hospital, under the guidance of the doctor’s treatment.