Awasome Can A Pregnant Woman Color Her Hair Ideas. Web still, while it’s generally considered safe to dye your hair during pregnancy, reavey recommends avoiding it until the second trimester. However, she points out that some hairstylists.

Some studies have found that very high doses of the chemicals in hair dyes may cause harm. There's limited research, though, so here are some precautions to take when you color your hair. They may have highlights, or freehand painting of the hair,.