Can't answer your question about essential oils but
To my mind breast is far better than artificial feeding for many rasons (artificial does work if necessary) - and it is a special time for bonding for mother and baby, so it is worth persuing. It is necessary to relax, be rested and really enjoy the process. It may take up to 3 days for the milk to come through though. AlsoSuckling by the infant stimulates milk production, so frequent short sessions can make all the difference - 8-12 times in 24 hours. Drink plenty of fluidsAvoid nipple shields as they reduce stimulation of the breastmassage the breast from the chest wall towards the nipple during feeding to stimulate milk flowEggs, nuts, seeds, wholegrains and and plenty of fresh fruit and veg are good.Essential omega oils are necessary not only for the mother but for the baby's brain development - oily fish or flaxseed are good sources.Increased protein intake will help supply necessary proteins to make milk.it has been found that mothers who consume garlic increases the baby's desire for milk - garlic being beneficial to both mother and baby.Hope all goes well for the new mother and baby.