Hi there! Welcome to PTalk.com!
Great to look at two threads to get you started here;
https://pheromonetalk.com/t/an-introduction-to-mones-names-size-strength-use-effects-length-of/43003
https://pheromonetalk.com/t/how-do-i-qualify-for-a-25-gift-certificate/19934
It solely depends on what types of uses you really expect mones to do 
What would be your goal in terms of using them?
Great to know so that we can guide you along the way
Will check back for your answer,
Cheers!