How do I use it? Rub the solution into your scalp twice daily.
Side effects? Side effects are rare but can include headache, redness, irritation and itching at the site of application, unusual hair growth on the face, arm, and back. Contact your primary care doctor or seek medical help if you experience any of these: Chest pain or palpitations, dizziness or fainting, skin rash, blisters, itching, sudden weight gain, or swelling of the hands or feet. You may experience increased shedding the first month of usage.