If you notice your hair or skin tends to feel more dry after swimming at the pool, chlorine from the water is likely to blame. Dr. Lucas said that dryness can also cause irritant contact dermatitis, which is a type of rash on the skin. As for your hair, chlorine can strip it of natural oils, making it more brittle. The same goes for your nails. Your eyes can get irritated from the chlorine, too. So, what can you do to help with these kinds of issues?