An experienced compounding pharmacy can grind finasteride into solution. This is not the FDA approved means of administration.
However - an incorrect assumption would be that grinding it into a topical solution leads to less absorption and is safer.
This assumption is all too common. Topical finasteride does get absorbed into the blood and a similar array of side effects are possible. Whether the side effects occur less commonly is unknown and more importantly - whether this even helps hair loss at all is unknown.
Any of topical finasteride is doing so at one's own risk - at least for now.
A novel finasteride 0.25% topical solution for androgenetic alopecia: pharmacokinetics and effects on plasma androgen levels in healthy male volunteers. Caserini M, et al. Int J Clin Pharmacol Ther. 2014
Jeff Donovan MD PhD FRCPC FAAD
US & Canadian board-certified Dermatologist
- Finasteride Information for Consumers
- Finasteride Information for Healthcare Professionals (includes dosage details)
- Side Effects of Finasteride (detailed)
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