... 24 hours Micro Loop Ring Hair Extensions Micro Loop Ring Hair Extensions is the updated Stick hair, ... be needed! This is because Micro Loop Hair Extensions have the Micro Loop and Micro ring attached ... This system does not require any heat, glue, keratin bonding or sewing. Most importantly this system does ... damaging effects on the hair as heat, glue, keratin bonds, glues, braiding or sewing. No Glue, ...