How long should I keep Onabet SD solution on my hair after applying it before washing it out? Also, how often should I use it each week to treat seborrheic dermatitis?
For Onabet SD solution, apply it to the affected scalp area, leave it on for 1-2 hours or overnight before washing, and use it 2-3 times a week for 2-4 weeks or as directed by your doctor for the treatment of seborrheic dermatitis.