Research and testing made it even more effective, against hard insect residue. Does not induce stress cracks in anti-glare headlights. Ideal for all headlamps and light diffusing plastic headlamps, in clear-glass optic. Removes insects, oil, soot, silicon, and films from your windscreen. Compatible with glass, paint, rubber and plastics. Phosphate free. Handy pre-dosed 25 ml bottles of windscreen washer. Has a pleasant fragrance.