I want to test a topical version of Sildenafil (V.iagra) on my scalp, given a recent study I have read on its effect on scalp, angiogenesis and hair regrowth.
If I was trying to make a 1% concentration, from crushing pills, what vehicle should I be ising?
If I was trying to make a 1% concentration, from crushing pills, what vehicle should I be ising?