Confused! Help!

Chelsey • I`m married and have a beautiful little girl and a handsome little boy. Everything I have I owe to Jesus

So I’ve seen where you can use rosemary essential oil on babies 6 months and older and then I’ve seen where you can’t use it until your child is Atleast 10 years old. I saw that it can help constipation. My 8 month old has started having this problem and I’ve used prune juice, but it’s not helping much and I don’t want to have him on a bunch of medicines. Is there something else that can help?