Static charge güç build up on the inside of the plastic chamber. This yaşama attract particles of medicine, and reduce the output when the spacer is used. Do hamiş use the cream/ointment on your face unless it saf been prescribed by a doctor for this reason. If so, be careful https://search.grainger.illinois.edu/searchaidlog3/sourcelognew.asp?ID=782151&goog--https://tr.wikipedia.org/wiki/Vitamin