How's it going, Eva? Sorry to not have seen your note in December. Just to add to the possible mix of answers you got....my eyelashes and eyebrows NEVER came back, or at least - very lamely. I didn't try any outside help or meds for this issue.
Yes, it is possible for eyelashes to grow back after chemotherapy and then fall out again. This can happen due to the hair growth cycle being disrupted by the effects of chemotherapy. It's a common experience for some individuals undergoing breast cancer treatment. If this happens, it's a good idea to discuss it with your Show Full Answer