Q: Is it true that chemotherapy not only makes you lose your hair, but that it can also change the color and texture of hair that grows back, and even get rid of gray? A: We think your question may be addressing two different types of cancer treatment — chemotherapy and immunotherapy. In both cases, the answer is yes; each can have an effect on the regrowth of hair. After decades of use, much is known about the side effects of chemotherapy. These powerful drugs target cells in the body that grow and divide rapidly. However, chemotherapy drugs can't tell the difference between the rapidly dividing cancer cells and the cells that form our hair, eyebrows and eyelashes. Many cancer patients undergoing chemotherapy experience hair loss. Depending on the type of treatment, it can range from partial, with perceptible thinning of hair on the scalp and body, to complete hair loss, including body hair, eyelashes and eyebrows. When hair begins to grow back, usually three to six mont