They do not mix them in bottles.
If they want to use say both IS and IO, they could like an example spray the IS to the neck and the IO to the wrists.
It would still be fun to know how you are in person. (:
I think you actually need? to tell a little bit more about yourself to qualify for the Gift Certificate on 25 buck. xd
You can get alot of information at the Women: Tips, Advice and Tricks forum part.
I highly reccomend you to read these Sticky threads:
What pheromones can do and what they can’t
Women Pheromone Guide
How do I know if A am getting hits?!
Good Luck!