Three foolproof ways to swim-proof your hair and avoid chlorine damage May 27, 2019 Emma Pankhurst TRICK ONE: Look stylish AND protect your hair with a retro style glam swimming cap. TRICK TWO: Coconut oil helps to coat the hair before a swim so that chlorine doesn’t come into contact with it. TRICK THREE: A leave-in condition also helps to protect the hair before you take a dip.