How to reduce shedding from minoxidil ?

[catgreeneyes]

-What is the best way to use Minoxidil To reduce shedding ?

- How can l get the best results ?
-Should l use 2% in the morning and 5% at night ?

I have been using Rogaine for woman 2% (like this as it is a spray and l know it is getting to scalp ).

-How can you know the right amount of foam to use ?
-How do you know if the foam its reaching your scalp?
-What is the best 5% liquid minoxidil to use that doesn't irritate scalp?