I am not commenting here claiming to be an expert on female pheromones, reactions, etc. I have just been on this and other pheromone boards and have read a lot ...
Several members here react to or have reacted to specific pheromones in a mix.
That has happened to several members on and off also. Some seem maybe more prone to this than others.
This has happened to me maybe once or twice. it was hard to tell if it was the pheros or the fact that when I get sick, I get sick. So it was hard to tell which was which.
And many people report that phero free days help them immensely. That does not seem to make a big difference for me although I do maybe take a day or two off from using pheros each week - but because I do not see an opportunity to use them.
Yes they can!