Using the correct amount of minoxidil is crucial for effectiveness. Here’s how to avoid over- or under-applying: Follow Recommended Dosage For Liquid Minoxidil: Typically, the recommended dosage is 1 mL applied twice daily. Use the dropper provided to measure out the exact amount. For Foam Minoxidil: Usually, 1/2 capful is sufficient for each application, also typically twice daily. Application Technique …