"Originally developed for NASA and the US military for use on high-end multi-coated optics Purosol Optical was uses advanced surface chemistry to break the molecular bonds that dust, dirt and grime use to adhere to lenses. Purosol Optical contains no alcohol, ammonia, detergent, or other traditional solvents which can damage lense coatings. It is also streak-free and leaves an anti-static barrier which repels dust to reduce cleaning frequency.
As an all natural product, Purosol Optical is non-toxic, hypoallergenic, nonflammable, sterile and completely biodegradable. It is CFC-free, VOC-free and exceeds EPA and OSHA health and safety standards, as well as exceeding standards set for the EU, Australia, Canada, Japan, and other countries worldwide.
Utilized by the US and Canadian militaries, national laboratories, hospitals, research facilities, observatories, and professional photographers. Purosol is trusted for use on the best optical lenses in the world. Purosol Optical was recognized with the 2007 National Parenting Award for safe products in the home."