How to Clean Your Webcam Lens the Right Way

Whether a holdover from the Covid era or simply an emerging phenomenon in the age of remote work, workplace meetings are now commonly conducted via webcam. In this context, how you appear on webcam can influence how people perceive you, both personally and professionally. A National Library of Medicine study, for example, demonstrated that the position of a webcam can influence the size a viewer perceives of a subject, and that people viewing a subject from below “tend to act against their own interests more often than those looking down on the other person.”

This means that a stained webcam can actually become a professional liability. That said, webcams and other delicate electronic cameras are notoriously susceptible to scratches and damage. To clean one without risking worsening the blurry image, you should deploy a soft cloth and a suitable cleaning solution, while avoiding harsh chemicals that could damage the glass. There are also some preventative measures you can take to prevent your webcam from becoming dirty, such as proper placement and storage.

Whether you use your webcam as a home security system or are looking for ways to use an older webcam, your first step in cleaning a delicate lens should be to use a soft microfiber cloth. With one hand, try reviewing your dry webcam once more, applying light pressure with your fingertips. In many cases, assuming the buildup is not too extreme, just a light rub with a very soft cloth can be enough to properly remove stains from the lens. Ask any regular eyeglass wearer: Sometimes introducing cleaning fluids adds more problems than it solves.

However, there are certainly cases where a dry cloth won’t be enough, such as if there is significant buildup of oil, dirt, or other gunk on or around the edges of the lens. In this case, grab a cleaning solution specifically designed for camera lenses, ideally one that is streak-free and free of ammonia, toxins, or other volatile organic chemicals (VOCs). Lightly spray the cloth (not the camera itself), then clean your camera lens with a gentle circular motion, again applying pressure only with your fingertips. When you are satisfied that the surface is clean, wipe it with a dry corner of your microfiber cloth.

As mentioned in the previous section, you want to avoid cleaners that contain ammonia, toxins, or other VOCs. Along the same lines, avoid any compound that contains bleach or hydrogen peroxide. Many common, general-purpose household cleaners contain harsh chemicals that can be abrasive when applied to glass. It is therefore best to avoid any product that is not specifically designed for lenses. Also avoid products like acetone, which can also damage glass or remove protective coatings.

For the same reason, you’ll also want to avoid cleaning a lens with paper towels or rough fabrics. It may be tempting, but polishing your webcam with the corner of your shirt can end up leaving permanent scratches on the glass, or large abraded areas that look like stains that can’t be washed off. You should also avoid being too enthusiastic when scrubbing, as well as avoid excessive moisture (which includes spraying cleaner directly on the lens).

Finally, while that canned air bottle on your desk may look tempting, you should avoid using it on a webcam lens. Blowing the surface with air can actually force dirt and dust further into the webcam housing, or can even overload sensitive elements of your setup, especially if it’s a webcam with a built-in microphone. Finally, be sure to cover your webcam when not in use to protect it, and avoid storing it in places that are too dusty or cramped.