REFLECT H2OTM Pre-Swim & Sun Gel can be used on wet or dry hair prior to swimming or activity. Our pre-swim gel will coat and seal the cuticle locking in moisture, protecting your hair from chlorine, salt, other impurities and the sun. By using this pre-swim gel you will prevent the adherence of chlorine, salt, other impurities including copper deposits that cause green hair. Our pre-swim gel also prevents sun damaged hair and tangles during physical activity.