Use an anti-dandruff shampoo with ketoconazole, zinc pyrithione, selenium sulfide, or salicylic acid
Wash your scalp regularly, at least 2–3 times per week
Leave the shampoo on your scalp for 3–5 minutes before rinsing
Avoid heavy hair oils, greasy products, and buildup on the scalp
Gently brush or comb to remove loose flakes
Do not scratch your scalp
Wash hair after heavy sweating
Use lukewarm water instead of hot water
Reduce stress
Change pillowcases and hats regularly
See a dermatologist if it does not improve within 2–4 weeks