https://edition.cnn.com/2022/02/02/health/best-hair-loss-treatment-wellness/index.html

"Third place: The third most successful treatment for male pattern baldness was a pill containing 5 milligrams of oral minoxidil. That pill produced the greatest increase in terminal hair count at the end of two months, much stronger than the lower dose.
"Terminal" hairs are the more mature hairs on the head (as compared to new, fine baby hairs) and are more likely to create that 'full head of hair" effect that many strive for, Rossi said.

Fifth place and lower: Using a 5% topical solution of minoxidil on the scalp was fifth in effectiveness, followed by the 2% solution of topical minoxidil. Last place in effectiveness, according to the study, was a much smaller dosage of oral minoxidil -- only 0.25 milligrams a day. "