The thinning area of my scalp is small so I can cover it with only 2-3 drops of minoxidil, or fewer than 1 ml of minoxidil. If I use more than 3 drops, it would drip down my forehead. The question is, do I have to use exactly 1 ml of minoxidil to make sure it works or will it also work if I use fewer than that? Thank you.
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