In colder months, you may experience some static. The best way to deal with this is to dampen your hands with water, and rub hand together so they are warm. Run the palms of your hands over your hair, without actually touching your hair. This process should help control the static.
Swimming
It is not recommended that you swim with extension hair. However if you do the following precautions are recommended.
Never wear a swimming cap or anything that covers your hair, the friction may cause matting.
Before swimming comb out tangles.
Braid hair into one braid at back of neck.
Try to keep head above water.
Do not swim under water.
No diving.
After swimming keep head out of shower.
Immediately after showering undo braid, comb hair and let air-dry.
Follow with appropriate shampooing and conditioning as needed.
Sauna
Braid hair into one braid at back of neck.
The water of the sauna will penetrate the hair and wet it.
Do not wrap hair in towel, which will compress it.
After sauna keep head out of shower.
Immediately after showering undo braid, comb hair and let air-dry.
Follow with appropriate shampooing and conditioning as needed.
Sunbathing
Braid hair into one braid at back of neck.
After sunbathing do not unbraid until hair has cooled down.
After hair cools, undo braid, comb hair.
Follow with appropriate shampooing and conditioning as needed.