Why does chemotherapy lose hair?

Clinically, not all chemotherapy drugs will make patients hair loss, such as the use of platinum chemotherapy drugs is not easy to hair loss. At this stage easy to promote patients hair loss chemotherapy drugs for adriamycin, paclitaxel, irinotecan, etc. In general, hair loss is mainly because hair follicle cells grow faster, and chemotherapy drugs easily kill cells that grow too fast, so easy to hair loss during chemotherapy. Normal patients can regrow hair after chemotherapy.