The 10 minute heat test just to prove that these devices TRULY heal your hair! @y.axis.usa @danielmbeauty held the hair beauron 1.4 curl on @adina_pignatare hair for a full 10 minutes. The hair looked healthier and the color looked NEW. The healthier your hair the better your color will look. You can purchase these devices on @y.axis.usa #healthyblonde #dimensionalblonde #healthyhair #haireducation