There is this belief in Singapore that plastic bottles are not reuseable. When we buy a bottle of water, we are not supposed to use it to store drinking water after we finish the water inside the bottle. It supposedly will release some cancer causing chemical into our drinks when the bottle is used too many times.

This is not true. We can reuse the bottle aAs long as we clean the bottle carefully when we reuse. Please refer to the following 2 links for more information.

Link 1
Link 2