Calotherms caloclean is safe for all spectacle lenses including polycarbonate and multicoated lenses the formula provides an antistatic guard and is alcohol and solvent free this spray has been specifically designed for delicate rimless glasses where special care must be taken when cleaning for professional levels of cleaning use with calocloth microfiber cloths suitable for glassessunglasses screens phonestablets windowsglass automotive also suitable for resin based photo