You might be making matters worse with a jar: those with screw-on lids have a plastic lining in the lid that's traditionally PVC with plasticizers which are con

You might be making matters worse with a jar: those with screw-on lids have a plastic lining in the lid that's traditionally PVC with plasticizers which are considered to be bad for health. To make matters worse, oil will support the migration of the plasticizers out of the plastic.