Coconut oil?

Yes, coconut oil is suitable and the best option to massage your baby. It is a plant based, natural oil and carries several health benefits for the baby's skin and hair. But before using any coconut oil brand for massaging baby, you should check whether it is an extra-virgin oil or not. Also, do a patch test before applying anything over the skin of baby. Here are some best brands that popular in India - https://www.bundleofjoy.in/best-coconut-oil-for-baby-massage/