The body’s hair-producing hair mother cells undergo repeated and active cell division. Chemotherapy (anti-cancer agent) acts on the hair mother cells and therefore tends to cause hair loss. Hair loss usually appears 2-3 weeks after the start of treatment and gradually worsens over 4-8 weeks. In addition to hair, in some cases eyebrows, eyelashes and body hair are also lost. At the end of each session, shaggy hair grows back, but hair loss resumes a few weeks after the start of the next session. There is no way to prevent hair loss, but after about six months to a year after the end of treatment, hair will grow back and you can say goodbye to wigs. The main factors that ultimately determine whether your hair will be affected by chemotherapy are the type of drug applied, the dose of the drug, the time between each course of treatment, the number of chemotherapy sessions, and the route of administration (oral or IV). 1, some drugs that are prone to hair loss side effects are as follows: 2, high risk Anthracycline (epi-amycin) Purple Shirtane (multiseries paclitaxel, paclitaxel) 3, moderate risk Silymycin C Cyclophosphamide Methotrexate Fluorouracil-based agents (fluorouracil, uracil-tegafur formulation, capecitabine, TS1, etc.) 4, low risk Herceptin Self-care 1, hair will easily become painful and itchy, it is recommended to use Neutral pH shampoo. Do not need to wash your hair every day, the number of times you wash your hair can be reduced 2, before washing your hair, cut your nails short 3, hair brush bristles should be soft, bristle gap should be large 4, when using a hair dryer, in order to prevent stimulation of the scalp and hair, should use low temperature gear 5, good use of wigs and hats 6, moisturizing try to make the scalp moisturized, and maintain the integrity of the scalp. This can reduce the discomfort such as dryness and itching of the scalp is different