Wash your scalp regularly with a gentle shampoo
Avoid scratching, picking, or squeezing the bumps
Use an anti-dandruff shampoo if you have flaking or itching
Try a medicated shampoo with salicylic acid, ketoconazole, or selenium sulfide
Keep hair products non-comedogenic and fragrance-free
Rinse hair products out thoroughly after use
Avoid tight hairstyles that irritate the scalp
Clean hats, pillowcases, combs, and brushes regularly
Apply a warm compress to tender bumps
Use over-the-counter hydrocortisone only if recommended by a pharmacist or doctor
Treat lice if you see nits or live lice
See a dermatologist if bumps are painful, pus-filled, spreading, or lasting more than a few weeks
Seek urgent care if you have fever, severe swelling, or signs of infection