How long does hair regrowth last after 48 months from 5% minoxidil?

Once the hair grows and thickens it needs to be maintained with at home use consistently forever. Best, Dr. Emer.

I am not sure of your question. If you continue using Rogaine then it will maintain it's results. If you stop using Rogaine, most likely the effects will start diminishing between three and six months after discontinuation. Hope this helps. Good luck.

%5 minoxidil help to regrowth and thickens the hair in 6-8 months . you can not get an additive affect after 12 month of use . İt means , affect does'nt  related directly with duration of usage.

Rogaine or minoxidil is a topical hair loss medication that helps certain patients who are still having active hair loss. It helps regrow hair in certain parts of scalp that still have hair.  The best effect is usually seen after 6 months and can get better for 12 to 18 months.

Minoxidil will continue its efficacy as long as it is used daily and massaged into your scalp. There are differences between versions of minoxidil and particularly the solution versus the foam where there is a lot of variability in the solvent used to mixed minoxidil rendering it oily in some. 

Minoxidil induced hair lasts as long as you take the minoxidil and if you should stop it, you will lose all of that hair