If the forehead is acne only, without pustules and inflammatory rash, you can apply creams containing salicylic or fruit acids or benzoyl peroxide during the day and adapalene cream or gel at night; if the forehead has pustules and inflammatory rash; apply clindamycin cream during the day and adapalene cream or gel at night. If skin is oily, use an acne cleanser; if skin is dry, use a moisturizing lotion. Do not eat sugar, whole milk, do not eat spicy fried food, do not stay up late, more exercise, good rest.

Try not to stay up too late, it's bad for your skin

Eat more fruits and vegetables, and less things that cause fire

Less cell phone and more exercise, keep your mood happy

Don't stay up too late, drink plenty of warm water, don't eat things that are too hot, control your diet, and try to eat a light diet.