IMHO, I would stay with the 5%. I have seen some guys use minoxidil based products above 5% and some experience massive shedding from it. To my understanding, the FDA has approved only 2% and 5% for treating hairloss.
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"Gillenator"
Independent Patient Advocate
more.hair@verizon.net
NOTE: I am not a physician and not employed by any doctor/clinic. My opinions are not medical advice nor are they the opinions of the following endorsing physicians: Dr. Bob True & Dr. Bob Dorin