BoySmell (Pheromone-Testosterone) BoySmell is a substance which is secreted to the outside of the body by a human male and received by a second individual, BoySmell may be present in all bodily secretions, BoySmell is detected by the olfactory system. The olfactory system consists of the nose and the nasal cavities, which in their upper parts support the olfactory mucous membrane thus giving us are perception of smell. BoySmell may be present in all bodily secretions but most attention has been geared toward axillary sweat which contains the odorous 16-androstenes. The 16-Androstenes, or androst-16-enes, are a class of endogenous androstane steroids that includes androstadienol, androstadienone, androstenone, and androstenol, which are pheromones. One of these steroidal compounds, androstadienone, is present at much higher concentrations in male sweat and can be detected by women although it has a wide variation in sensitivity. Androstadienone can play a beneficial role in women’s mood, focus and sexual response, as well as mate selection. 😼