[hmmmmmmmmmmmmmm]

Let me be clear: hormone suppression is not a "side effect" it is the effect. Ironically, the side effect is the hair growth.

Edit: systemic effect is not 0% even with topical, enters your bloodstream nonetheless. To respond to the guy marketing below (HN limiting replies).

[IncreasePosts]

Most men won't care if hormones on their scalp are suppressed

[maxprimes]

Bro, side effects include breast cancer and psychosis.

[robocat]

Everything has horrific side effects - as per your two examples.

What really matters is the prevalence...