Hello matt & nice to have you as a member of Pherotalk 
Hmm, about the pheros you say oxicalm & instant truth, i have never heard of it. Very weird names btw. So you are intrigued about this forum don’t mind telling us why?
You are smart there of thinking of getting AMMO & Instant openness but add Instant Shine & you have a good combo there I will recommend that & try to get 2x strength if possible for even better effects.
If you wish to know more info about the pheros here, click on this link> Mens Pheromone Guide revised 6/15
I hope i managed to help you there. See ya