... acceptedThe following provides general guidance for the care of human hair products. As each individual product may vary, ... irons which will shorten the life of hair. When perming or dying the hair, use some nutrition water or ... hair extension, pre-bonded hair, keratin hair, nail hair(U tip hair), stick hair(I tip hair), flat tip hair, V tip hair, loop ring, micro ring hair, link hair, PU weft, hair ...