Heat rash can occur on any area of your skin, including your face. The rash typically occurs during the warmer months, although it is possible to have heat rash pop up while performing physical activities in the winter that cause you to sweat. Heat rash occurs when some of the sweat ducts on your body clog, keeping the perspiration in the skin and causing a rash.
Loosen up any clothing you have around your face. If you are wearing a scarf or head wrap, make sure the clothing isn't rubbing against your heat rash.
Apply calamine lotion to your facial rash. The lotion is going to help soothe the itching. Use the lotion as long as the itching persists.
Take a vitamin C supplement daily. Vitamin C helps relieve the heat rash. You can also eat fruit or drink juice to help increase your vitamin C intake.
Stay in an air-conditioned building if you can. Keeping cool will help remove the rash.
Allow your skin to air dry after showering. A towel can irritate the heat rash on your face.