People shouldn’t get their hopes up AT ALL about these two drugs, or anything in their class.
They are essentially SMOOTH MUSCLE RELAXANTS, parasympathomimetic drugs which will only ever serve as very weak hair growth treatments and will have probably substantial, unpleasant and even perhaps dangerous (although not deadly) side effects when absorbed into the body in anything approaching doses where they could really grow a lot of hair.
So, the takeaway is:
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Not spectacular hair growth agents; keep your pants on and don’t get your hopes up!
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To increase hair growth potential you also have to increase dosage by using a lot or using a high concentration mixture. But this will result in a lot of unwanted and bad side effects.
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The reason for #2 is that when absorbed into the scalp skin the substance then enters the systemic circulation and circulates through the entire body. So, for instance, the more you increase dosage you might get nausea, diarrhea, extreme photosensitivity, etc.
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No real sense bothering with these drugs when there are much better things coming down the pike like PGD2 antagonists.
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Latanoprost and bimatoprost will never be decent hair loss cures. Anyone who thinks these drugs are anything like a real answer to hairloss is really confused. I appreciate jarjarbinx’s interest in investigating something “new”, but he will be seriously disappointed. People WILL SEE that using these drugs is not worth it and won’t produce much hair. Hear me now, believe me later!!