You can - with the same precautions of having chemically altered hair.
Our 100% Human Hair Extensions have been dyed to be available in all of the colors we offer. Any new blonde will know not to jump into a chlorinated pool or risk having green hair! The same provisionary steps apply to our extensions.
If you are getting ready for a fierce vacation, try out a swim cap, or at least rinse out the salt and chemicals residue in your extensions with fresh water as soon as you can.
Kindly note that depending on what chemicals or minerals are dissolved in the water CAN negatively impact the adhesive in the extensions. It's best to always rinse your hair with fresh water as soon as you can to keep your installation and extensions in the best condition possible.