Glasses sit on your face every day, absorb sweat, attract skin oils, and collect dust in the hinges.

Most people wipe them on their shirt and call it done. That habit — and a few others — quietly shortens the lifespan of frames, regardless of what they're made from.

The care approach does differ by material, so here's how to handle each type correctly.

Plastic and Acetate: Handle with Heat Awareness

Plastic and acetate frames are the most common and generally easy to maintain, but they have one significant vulnerability: heat. Leaving them on a car dashboard on a hot day, storing them near a heater, or using hot water during cleaning can warp the shape — sometimes permanently.

- Clean plastic frames with mild soap and lukewarm (not hot) water, using a soft microfiber cloth to wipe dry.

- Avoid alcohol-based cleaners or solvents, which can cloud the material or damage coatings.

- Store them in a hard-shell case rather than tossing them loose in a bag.

- Acetate specifically can be damaged by direct, prolonged sunlight — it can fade and become brittle over time, so avoid leaving acetate frames in direct sun when not in use.

Metal Frames: Mind the Screws and Hinges

Metal frames — typically stainless steel or other alloys — are durable but need attention in specific spots. The hinges are where problems usually start: screws loosen gradually with normal use, and if they work their way out, a temple arm may fall off.

- Check screws monthly and use a small eyeglass screwdriver to tighten gently. Do not overtighten — stripped threads mean the fastener won't hold at all.

- Clean metal frames with a microfiber cloth and lens-safe cleaning solution, paying extra attention to nose pads and hinge areas where oils and debris collect.

- Avoid harsh chemicals or abrasive cloths, which can damage protective coatings.

- Always use both hands when removing glasses — wrenching with one hand torques the frame and loosens hinges faster.

Titanium: Lighter Care, Longer Life

Titanium frames are hypoallergenic, corrosion-resistant, and exceptionally lightweight, making them popular for all-day wear. They're also low-maintenance — they don’t corrode, rust, or tarnish.

- Clean them like metal frames: mild soap, lukewarm water, microfiber cloth.

- Store in a case to prevent scratches.

- Avoid attempting adjustments at home; some titanium frames have memory metal properties, and forceful bending can cause micro-fractures. Take them to an optician for reshaping or temple adjustments.

Universal Habits for Any Frame Material

- Never clean lenses with a shirt, tissue, or paper towel — fibers can create micro-scratches. Use a dedicated microfiber cloth.

- Rinse frames under lukewarm water before wiping to dislodge grit that could scratch lenses.

- Apply cleaning solution to the cloth first, not directly to the lenses, especially for coated lenses.

- Get professional ultrasonic cleaning every six months to clear buildup from hinges and hard-to-reach areas.

- When frames feel crooked or dig into the nose, have them adjusted professionally rather than bending them yourself. Most optical shops provide minor adjustments for free.

Proper care can extend the life of your glasses significantly. By following these material-specific tips and universal habits, your frames will stay sturdy, clean, and comfortable for years. Remember: when in doubt, consult a professional optician — your glasses deserve it!