Could a new drug delivery system for topical treatments reduce side effects

Check this out:

They used this drug delivery concept on mice and the results are noteworthy.

https://bpspubs.onlinelibrary.wiley.com/doi/full/10.1002/prp2.585

I am using topical finasteride with minoxidil as vehicle and I have no side effects. I am not sure if there is a need for new vehicles.

Many of us do get sides from minoxidil vehicle with finasteride. We aren’t all as lucky as you. And given your username it looks like your female and if that’s the case how would you even know if you get side effects?