Yeah that’s regular strength TuTH, which at your age is probably plenty. Honestly you should only use it when you’re very close to sexual escalation already, or when HEAVILY buffered with socials.
Seriously as a beginner you should just look at this initial purchase as boot camp.
Read these threads.
What Pheromones can do
Mens phero guide
Congruence
Find your sweet spot
Recognize hits
Taking notes
And just learn how each product works for you and at what dose is it ideal, and what dose is too much.