Yes, it is generally considered safe to dye your hair during pregnancy. Most research and expert opinion indicate that the small amount of chemicals absorbed through the scalp from hair dyes are unlikely to harm the developing baby. However, many sources recommend avoiding hair dye during the first trimester (the first 12-13 weeks) as a precaution, since this is a critical stage of fetal development. The safest options during pregnancy include highlights or streaking, as these do not involve dye directly on the scalp and consequently reduce chemical absorption. Using semi-permanent dyes or dyes free of harmful chemicals like ammonia, PPD, and parabens can also be safer choices. It is advised to have hair coloring done in a well-ventilated salon by a professional and to perform a patch test to check for any allergic reaction, which may be heightened in pregnancy. Overall, if there are any concerns, it is best to consult with a healthcare provider before dyeing hair while pregnant.