CARE FREE CURL BOOSTER 16OZ This is a light blue lotion that aids the rearranger in processing hair. This mild permanent wave lotion should be used with caution. It helps insure strong, beautiful long lasting curls.Aids the Rearranger in processing difficult-to-relax hair. This mild ammonium thioglycolate product ensures strong, beautiful, long-lasting curls. Aids in keeping the hair moist until wrapping is completed. Use after Care Free Curl Rearranger.