Is it safe to take sona and steam everyday?

I am not sure about this. However maybe what your friend told you has some truth in it. I think if you don't drink enough water before going into the sauna, your body will lose a lot of body liquid and this is not good for you. You will be dehydrated and your skin will show the effect. Maybe it will turn out to be flaky, as a result of dryness. You may also look older than your actual age when the skin start to wrinkle due to lack of water.

yes, it is true, coz instead of burning fat, took sauna will dried off the water fluid from your body, causing your skin dry, lack of elastisity, and it is no good for health if you took it everyday. While in sauna room, don`t forget to keep taking water. Even though sauna can take out poison thru sweat but fluid inside our body must enough to support the burning process. hope this would help. cheers