Can I use mehendi to colour my hair during pregnancy?

these days there are various types of mehendi that are available in the market. while some of them are natural some also have added chemicals in them. while natural henna is a safe choice and does not contain any chemicals, the black henna is almost always added with some chemicals. this can be very harmful because of the PPD dey in it that is known to cause various types of allergies and problems. i would suggest that if you really want to use it during your pregnancy, use the natural henna and even then, colour only from the mid-length till the tips, and completely avoid the scalp and roots.