I’m 21 and have been using minoxidil for 2 months

The results from the nightly use of minoxidil has been great, but I want to know if it will stay or eventually be lost.

The hair brought on by minoxidil will stay as long as you stay on the drug. When you stop it, then the minoxidil dependent hairs will fall out. Best always to take the exact same view of the photos.