Removes micro dirt from various objects
Washable
Eyeglasses, precious metals, toothbrushes, dentures, watch metal bands, electric razor blades, fountain pen nibs, etc.
Cannot be washed.
Tortoise shell (glasses, etc.), precious metal and glasses with gems, ivory, stone, wood, watch body (including waterproof types), contact lens, gemstone (soft precious stones such as pearls, turquoise, opal, jade, emerald, coral, kohak), glasses and sunglasses with polarized lenses, plastic glasses, frames that may scratch or peel.