Vegetarian? I don't really know what you meant by that.
It is essential for the nurse to raise blood glucose before starting, as it is dangerous to have a diabetic with low blood glucose (normally it is between 4.10 and 6 mmol/L).
Since pateint can not be fed orally, administration of glucose serum or nutrients will be parenteral.
Maybe you’re not leave it on long enough try leaving it on longer or maybe when you take it off your face try using moisturizer