1High quality aluminum tube, durable, odorless and healthy 2No harm to skin and scalp, will not make hair tangled, free you from fatigue and a busy day 3Irregular comb teeth make it suitable for all hair types and hair styles 4It can be used as a head massager to help relieve body fatigue and scalp pain 5Perfect for both professional salon and home use, or as a gift for your friends, family