I bought a twin pack and use one for my face with vitamin C serum. I don't want to transfer any dirt or minoxidil from my head to my face, so I decided to separate them. https://www.amazon.com/dp/B07BTCQYDP?ref=ppx_pop_mob_ap_share
https://www.amazon.com/dp/B01M4MCUAF?ref=ppx_pop_mob_ap_share
Rubbing alcohol should be easily found at your local drug store, for around half the cost of what they ask for on Amazon. Anything over 70% isopropyl should be good.
Here are some video resources I used: https://youtu.be/thQ1taoKoo4