... hair extension systems, for keratin silky straight hair,pre-bonded hair, hair bonding, nail hair, stick hair and Flat-tip hair extension.4. Two types of hair ... 110V - 240V, European / UK / USA / Oceania types -Hair extension irons: 110V - 240V, European / UK / USA ... hair extensions, instant hair extensions, easy hair extensions, fusion hair extensions, keratin bonding hair, skin wefts (tape hair wefts ...