I meant long* not kong. Haha
Yes. As kong as you are not considered high risk. But its recommended in your third trimester. Not before because the baby is still developing and the chemicals that your skin absorbs through your scalp you affect the developing of the baby. Wait as long as you can in the third trimester.
Yes just make sure you are in a well ventilated room
I dyed my hair at 26 weeks I just opened the Windows because of the smell