Hair colouring is generally safe for pregnant women. There have been no known harmful effects of dye or chemicals entering the pregnant mother's body through the skin or hair due to hair dyeing.
However, do take note of the following:
Wear gloves when handling the hair dye
Clean off any dye that gets onto the skin immediately
Do not leave the hair dye on longer than the recommended duration
Wash off the hair dye thoroughly with water & shampoo.
Opt for natural hair dyes if possible. In addition, stick to the brand of dye that you have used before.
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