Product Short Description: A water base non-ionic detergent derived from citrus fruits oil.. It is a non-toxic and mildly alkaline cleaner. Citrus Cleaner is concentrated and effectively cleans exterior aircraft cleaner without any harashment on paint surface. Product Description: A water base non-ionic detergent derived from citrus fruits oil.. It is a non-toxic and mildly alkaline cleaner. Citrus Cleaner is concentrated and effectively cleans exterior aircraft cleaner without any harashment on paint surface.