No Harm Heatless Hair Curler RollersOur hair curler rollers have no chemical and thermal damage, and do not need high temperature and steam. These self-grip hair rollers will not hurt your hair! With these jumbo hair rollers, you don’t need to have a perm. Keep your hair healthy. Without spending a lot of money on a hair salon. Our heatless hair rollers can make your hair look and feel healthier, and reduce dryness, and knotting.