Incredible Hair Green Chlorine 2023. This is because chlorine reacts with copper to form copper chloride, which can then deposit on hair and skin. Often tap water in older buildings with a lot of copper content may also turn your hair green.

Thankfully, with preventative measures such as wetting your hair before swimming, wearing a swim cap, and using swimmer’s shampoo, you can enjoy your swim. In the worst case scenario, it can turn your hair green. This happens to both bleached and natural blondes.