Quick answer
Clean sunglasses by rinsing both sides of each lens with lukewarm water, then wiping gently with a clean microfiber cloth. Store them in a hard case with the lenses facing inward, and never use hot water, paper towels, or your shirt. This routine takes under a minute and prevents most scratched lenses and frame damage.
Why the order of cleaning matters
Most lens scratches come from wiping grit across the surface, not from dropping the glasses. Rinsing first lifts dust and sand away; wiping first grinds it in. If you only remember one rule from this guide, make it rinse-then-wipe.
Skip hot water entirely. Heat can damage lens coatings and warp acetate frames over time. Lukewarm or room-temperature water is always the safer choice.
What to keep in your care kit
You do not need specialty products for daily care. A clean microfiber cloth and lukewarm tap water handle most situations. For oily smudges from sunscreen or skin, a drop of mild dish soap works well when rinsed thoroughly.
Avoid paper towels, tissues, and clothing hems. Wood fibers and embedded grit in fabric are common causes of fine scratches that build up over months.
When to use a lens spray or pre-moistened wipe
Sprays and pre-moistened wipes are convenient on the road, but they are not a substitute for rinsing when grit is visible. If you use them, choose alcohol-free formulas and follow with a dry microfiber pass to remove streaks.
For everyday cleaning at home, water and microfiber remain the simplest and safest option.
Step-by-step sunglasses care routine
- Rinse both sides of each lens: Hold the frames under lukewarm running water for a few seconds, front and back. This lifts dust, sand, and salt before anything touches the lens surface. Mistake to avoid: wiping a dry lens first. That is the fastest way to grind grit into the coating.
- Add a drop of mild soap only if needed: For oily residue from sunscreen or skin, put one small drop of mild dish soap on your fingertips and gently rub both sides of the lenses and the frame. Rinse thoroughly with lukewarm water. Checkpoint: if you see soap streaks after rinsing, you used too much or did not rinse long enough.
- Dry with a clean microfiber cloth: Use a dedicated microfiber cloth, not a paper towel or your shirt. Wipe in a light circular motion, then check the hinges and nose pads for leftover moisture. Mistake to avoid: reusing a gritty cloth. Wash microfiber cloths regularly by hand with mild soap and let them air dry.
- Store lenses facing inward in a hard case: When you take the glasses off, place them in a hard case with the lenses facing inward, away from the case opening. This keeps the front surface from contacting the case wall. Checkpoint: if you can feel the lens against the case interior, you have inserted them the wrong way.
- Handle frames by the temples, not the lenses: Put on and remove sunglasses using both hands on the temples. This reduces stress on hinges and prevents fingerprints on the lenses. Mistake to avoid: one-handed removal, which twists the frame and loosens hinges over time.
- Keep a spare cloth and case in your bag: A small microfiber cloth and a slim hard case in your bag mean you never resort to a napkin or a pocket. Replace the cloth when it starts to feel stiff or gritty. Checkpoint: if your cloth smells like sunscreen or feels rough, it is time to wash or replace it.
- Do a monthly hardware check: Once a month, check hinge screws and nose pads. Tighten a loose screw with a small screwdriver, and replace worn nose pads if they no longer grip. Mistake to avoid: ignoring a wobbly hinge. A loose screw can fall out and is easy to lose.
Travel storage that protects your frames
- Carry-On Set: The Monos Carry-On Set includes a streamlined silhouette suited for overhead bin storage on most airlines and a quiet, smooth-rolling wheel system. A hard-shell carry-on gives you a dedicated, crush-resistant spot for a sunglasses case, so frames are not loose in a tote or back pocket where they get sat on.
Carry-On
- Check-In Set: The Check-In Set is built with a premium aesthetic that suits both business trips and leisure getaways and is designed to coordinate packing and simplify your travel routine. On longer trips, a check-in set lets you pack a backup pair and a hard case without sacrificing space, so you are not tempted to skip protection.
