One group was a control, washed in Bumble and Bumble Alojoba Shampoo, rinsed and blown dry; one group was treated with MIZANI?? Rhelaxer, 0.3mL applied to each fiber; one group was treated with 2% red tourmaline in a cream base (see formula 1), 0.2 mL applied to each fiber, followed by blow dryer heating for about 5 minutes; one group was treated with 2% red tourmaline in a gel base (see formula 2