Hey TrueBlue WELCOME TO ASIANS PHEROMONES CLUB. HAHA.
In regards to your pheromones usage, YOU ARE GETTING HITS. You mentioned prolonged attention, female colleague staring longer at you etc. Pheromones are not sex-potion or magic spells, you will need to ACT on the IOIs. Don’t expect them go all hot over you just because you are wearing mones.
You are also going through what I have defined as Stage 1 in my post here - CLICK!
Please read through everything and you will get a better grasp on how mones work.