Well first I’d start with
An Introduction to Mones; Names, Size, Strength, Use, Effects & Length of
Updated AndroticsDirect Pheromones for newbies
The Snook’s big book o’ pheros for rookies
The only thing you really need to ‘worry about’ is possibly ‘over dosing’ and using too much resulting in negative effects. What are your goals for pheromones? What do you want to achieve with them? What kind of personality do you have?