actually the hardness comes from scar tissue buildup. it is the body's natural reaction to forgien objects put into the body. it happens with all surguries. the implants must be messaged dailly to breakup the scar tissue. this becomes very tiresome actually, almost like a chore you dont want to do so the more scar tissue buildup the harder the appearance of the implant. this also cause those ripples you see on some boobies. some women have this tissue scraped if it gets too bad. a fresh pair of implants under the tit and on top of the muscle can look and feel just like the real deal. heavy dosages of vitamin e daily also helps to reduce scar tissue buildup.