While I was on hormones, after a few years, not a single chest hair, now, being off of them again I gotta be careful to remember to check before I go out, stray thick black hairs on upper chest and around shoulder blades, they can get long pretty fast, don't want anyone seeing those unsightly weeds, as well as around nipple area, and a whole tummy full of hair. For some it may only slow body hair growth, for others almost completely get rid of it, but it also depends on where on the body, while it was gone on my chest and belly when on hormones for a few years, it only slowed growth on legs, arms didn't seem to change whatsoever, still lots of hair.