Wash your face twice daily with a gentle cleanser
Use a non-comedogenic moisturizer
Avoid heavy oils, pomades, and hair products on the forehead
Keep hair off your forehead
Exfoliate with salicylic acid 1–2 times per week
Try a benzoyl peroxide wash if bumps are acne-related
Use adapalene at night if tolerated
Do not pick or squeeze the bumps
Change pillowcases regularly
Clean hats, headbands, and phone screens
Use sunscreen labeled non-comedogenic
Stop using new products that may be causing irritation
See a dermatologist if the bumps are painful, itchy, spreading, or not improving