Equivalent Doses With Same Ingredients?

[jankl]

Hi
I also posted that in a subforum.

Is it correct that regaine 2 and 5 just differ in the amount of active ingredient?
Could one just use regaine 2 several times to have the effect of 5 ? Or are there other differences why 2 is not suited for men?

reason I ask : The recommendations say " using more product will not change the result". However, I wondered if more ml from 2 is equivalent to less ml from 5
Or do the other ingredients come into play with higher ml from 2?

Thanks