Welcome to the forums!
I would suggest trying out A314 and Ammo. A314 makes you seem like an alpha male who is confident and in control (great self effects as well). Ammo is one of AD’s most versatile attraction building pheromones and works great in nearly any environment.
As for how much to use, that varies between person to person. Here’s a fantastic post by Steve with information about finding your sweet spot: How to find your sweet spot...