... own hair.2. Knead the burned hair, If it turns ashes, it prove this hair is real human hair. 2 ... good quality shampoo and conditioner regularly. Leave the hair get dry naturally, do not use hair dryer too much. ... stylist for further suggestions. 8. Q: How long does it last?A: How long the hair lasts depends on ... hair will look as fabulous wet as real hair does, and the extension will not show in water. ...