Simple Maths Help Please - What Concentration Of Topical Finasteride?

[spooon]

What % concentration of topical finasteride would you apply (let's assume you have decided to trial the topical) assuming 1ml per day to the scalp?

 

[Richardson44]

look here https://www.hairlosstalk.com/interact/threads/heres-one-of-the-topical-finasteride-studies.21913/