Teenagers lose their hair and grow it.

Teenage hair loss is also long, need to be judged according to the cause of hair loss.

Hair has a certain growth cycle, can be divided into growth time, regression period, rest period. If it is normal telogen hair loss, generally will continue to grow. If it is excessive pulling scalp, mental stress, long stay up, drug side effects and other factors caused by hair loss, usually after removing the cause of symptoms will be relieved, hair will continue to grow.

If scalp trauma, ringworm and other factors lead to hair follicle damage, so that the formation of scars on the head caused by hair loss, generally can not continue to grow hair.