special plastic disc is designed to help in hair extensions. It can be used with cold and hot extensions. Your strands will be highlighted and protected, not tangled. The disk is made of heat-resistant plastic, so it is not afraid of temperature changes. Initially, the hair is divided into zones, a strand is separated and such a disk is put on it. It will not let small hair interfere with the process and protect your skin from burns. It is recommended to fix the disk with a hairpin or clip. More often, such discs are used in Italian hair extensions, the technology of hot capsular hair extensions.