Welcome to Pherotalk.
How about having a read of this:
https://pheromonetalk.com/t/how-do-i-qualify-for-a-25-gift-certificate/19934
Then giving us a little more info about yourself and how you want to use pheros.
That way, we can offer better advice and you earn the GC to start trying them out.
Also, these outline the basics of choosing and using pheros effectively:
