How to Clean Your Sunglasses the Right Way

By Vooglam

Home > Vooglam Blog > How to Clean Your Sunglasses the Right Way

It’s a familiar, frustrating moment: you slide on your favorite sunglasses, and the world is a smear of fingerprints, dust, and smudges.

We’ve all been there. And that impulse to grab the hem of your shirt for a quick wipe is powerful. It’s also the number one cause of the permanent micro-scratches that slowly ruin your lenses.

Proper cleaning isn't just about a clear view—it's about protecting the high-performance gear you invested in. This guide provides the definitive, expert-approved method to clean your sunglasses safely, ensuring they last for years.

A pair of sunglasses, a bottle of lens cleaning spray, and a microfiber cloth, representing the proper tools for cleaning eyewear.

What Makes Sunglass Lenses So Delicate?

To understand why a t-shirt wipe is so destructive, you need to know what you’re actually cleaning. Modern sunglass lenses aren't just simple pieces of plastic; they're a complex optical system.

Most quality lenses start with a polycarbonate base, which is lightweight and impact-resistant, and a naturally soft material that scratches easily. The real magic is in the microscopic layers built on top of that base. These delicate coatings are what give your sunglasses their performance features:

That's why a quick wipe with your shirt is like taking fine-grit sandpaper to that complex system. You're not just moving a smudge around; you're grinding dust and debris into those coatings, creating a permanent haze you can never polish away.

First, Do No Harm: 4 Things to Never Use on Your Lenses

Let's cover what to avoid before we get to the right way. Using any of the following will cause immediate or long-term damage.

  • Your Shirt (or any clothing): Your clothes are covered in dust and abrasive fibers that will permanently scratch your lenses.
  • Paper Towels, Napkins, or Tissues: These products are made of raw wood pulp. They may feel soft, but they are abrasive at a microscopic level and will leave behind scratches and lint.
  • Household Glass Cleaners: Never use Windex, ammonia, or other harsh chemicals. Their formulas are designed to strip away grease and grime, and they will strip the delicate coatings right off your lenses.
  • Rubbing Alcohol: While great for disinfecting other things, repeated alcohol use can damage or remove lens coatings. Keep it far away from your lenses.

The 5-Step Method for Perfectly Clean Sunglasses

This is the gold standard for keeping your eyewear in pristine condition. It's simple, fast, and effective.

Step 1: Rinse First with Lukewarm Water

Hold your sunglasses under a gentle stream from the tap. This is the most important step for preventing scratches, as it washes away any loose dust, sand, or dirt. Wiping a dry lens grinds these tiny particles across the surface, creating permanent damage. Rinsing first is non-negotiable.

Expert Tip: Never use hot water. Extreme heat can damage lens coatings, causing a web of tiny cracks called "crazing."

Step 2: Add a Single Drop of Mild Dish Soap

Put one small drop of a basic, lotion-free dish soap (like original Dawn) on each lens. Soaps with "moisturizing" agents or abrasive additives will either leave a new film on your lenses or scratch them.

Step 3: Lather Gently with Your Fingers

A person rinsing sunglasses under a gentle stream of water, the crucial first step to wash away debris before cleaning.

Using your fingertips, create a light lather and spread it across the lenses, frame, nose pads, and earpieces. Your fingers are the perfect tool—gentle enough not to harm the lenses but effective at breaking down the oils from your skin.

Step 4: Rinse Thoroughly

Place the sunglasses back under the lukewarm stream and rinse until every trace of soap is gone. The leftover soap will dry as a hazy film if you don't rinse completely. Give them a gentle shake to remove excess water.

Step 5: Dry with a Clean Microfiber Cloth

A person's hands carefully polishing the lenses of a pair of sunglasses with a lint-free microfiber cloth to prevent scratches.

Carefully blot and polish the lenses and frame with a clean, dry microfiber cloth. Microfiber is specifically designed with ultra-fine fibers that absorb moisture and trap oils without leaving lint or creating scratches. For example, the microfiber cloth included with every pair of Vooglam glasses is perfect for this final polish.

Emergency Cleaning: How to Handle Sand, Salt, and Sunscreen

Sometimes you're dealing with more than just a fingerprint. Here's how to handle specific messes before they cause real damage.

  • For Sand or Dust: DO NOT WIPE. This is critical. Immediately hold the sunglasses under a generous stream of lukewarm water until you are certain every grain is gone. Wiping first will cause deep, visible scratches. Only after a thorough rinse should you proceed with the soap-and-water method.
  • For Saltwater or Chlorine: RINSE IMMEDIATELY with fresh water. When saltwater evaporates, it leaves behind sharp, abrasive salt crystals that scratch lenses and corrode metal frame parts. Don't let it dry.
  • For Sunscreen: Clean as soon as you can using the full 5-step method. Sunscreen is oily and stubborn by design, and some of its chemical ingredients can react poorly with lens coatings if left on for too long.

Beyond Cleaning: Simple Habits for a Lifetime of Wear

The best way to keep your sunglasses clean is to keep them protected in the first place.

  • Two Hands, Always: Use both hands to put on and take off your sunglasses. Using one hand can bend and misalign the frame over time.
  • Lenses Up: When you set your glasses down for a moment, fold them and place them with the lenses facing the ceiling.
  • Avoid the Head Perch: Resting your sunglasses on top of your head is a common habit, but it stretches the frame and can make them more likely to fall off and break.
  • Live in the Case: The best thing you can do is store your sunglasses in their protective hard case whenever you're not wearing them. This prevents them from getting crushed in a bag or scratched by keys in your pocket.

Vooglam Blog

Vooglam blog shares professional knowledge about eyeglass frames, lenses, etc., and provides help when purchasing and using eyewear products. At the same time, Vooglam focuses on fashion glasses to interpret the trend of glasses for you.