"i used tactupump while at home for a week and it killed my skin, it felt raw, was red and very dry and literally felt like a bad sun burn, then i went up to my cottage and my cousin had the same perscription, so i just tried to use it again and it worked wonders! for the week that i was there... weird? when i got back home i continued the same skin care regiment i was using at the cottage and again i had the worst reaction! like what? so i went to my dermatologist and she said to look into the type of water at my house compared to the cottage, so turns out we have a soft water filter at the cottage, and really hard water where i live at home, she recommended me invest in a soft water pump but they&#039;re around $900 :("