Lavender (Lavandula Angustifolia) is a standout amongst other essential oils for fighting sensitivities. It is an antihistamine from nature. If you want to ingest it, then yes you can do it as well.
Take empty “00” size capsules from any pharmaceutical store. Now, fill the bigger portion of the capsule with five drops of Lavender oil. Fill another half of the capsule with natural olive oil.