Hey everyone, and thanks for stopping by my blog! I’m Sarah, and I’ve been in the AR coated glass game for over 8 years now—right here, behind the scenes, helping folks get the glass they need for everything from phone screens to solar panels. Lately, I’ve been getting so many questions that made me stop and think: a lot of people are confused about what AR coated glass actually does, and one question keeps popping up over and over: “Can AR coated glass be used in mirrors?” AR Coated Glass
I get why it’s confusing. When you hear “AR coated glass,” your first thought is probably augmented reality headsets, or maybe those fancy phone screens that don’t have that annoying glare when you’re outside. And mirrors? They’re just… mirrors, right? A piece of glass with a reflective backing, used for checking your hair before work or getting ready for a big night out. But here’s the thing—this question isn’t as out there as it sounds. I’ve worked with clients who’ve asked about mixing these two technologies, and let me tell you, the answer is way more interesting than you’d think.
First, let’s break down what AR coated glass actually is, in plain terms, no jargon. AR stands for Anti-Reflective, and a coated glass means we add a super thin layer (like, a few molecules thick) to the surface of the glass. Why? Because regular glass has this thing called reflection—when light hits it, about 4% of the light bounces right off the surface. For small things like phone screens, that might not sound like a big deal, but when you’re looking at a mirror, that 4% isn’t just a tiny issue. It’s a lot of extra glare.
Wait, let me prove that. If you’ve ever stood in front of a regular mirror in a brightly lit room, you know what I mean. There’s that faint, second reflection of the overhead lights right next to your actual reflection, right? That’s the 4% of light bouncing off the front surface of the glass. The rest of the light goes through, hits the silver backing, and comes back as your actual reflection. So that extra glare? That’s the front surface reflection that regular glass doesn’t fix.
Now, anti-reflective coatings work by using something called thin-film interference. I know that sounds fancy, but it’s basically like balancing two waves. The coating we add has exactly the right thickness (usually around 1/4 of the wavelength of visible light) so that the reflection from the top of the coating cancels out the reflection from the bottom of the coating. No extra glare. For most consumer glass, that cuts front surface reflection down to less than 1%—way better than that 4% regular glass gives.
So why would someone want to put that on a mirror? Let’s start with the biggest use case I’ve seen in my time as a supplier: bathroom mirrors. I know, I know—bathrooms are for getting ready, but have you ever had a makeup disaster because of glare? I once had a client, a makeup artist, who told me she hated using salon mirrors because the overhead lights created that double reflection, so she could never get her eyeliner right. She started asking if we could use AR coated glass for her custom salon mirrors, and that’s when I really dug into this.
Here’s the thing for mirrors specifically: when you add an AR coating to the front of the glass (the side you look at, not the reflective backing), that cuts out that front surface glare. So instead of seeing your reflection plus a faint light reflection, you only see your reflection, clear as day. For makeup artists, that’s game-changing—they can see every little detail without that extra blur. For regular people, that means when you’re shaving or doing skincare at night, you don’t have to squint through glare to make sure you don’t nick your face.
But wait, there’s more. I’ve also worked with a home builder who wanted smart mirrors for a new high-end development. Smart mirrors are those ones that turn into a TV screen when you’re not using them as a mirror, right? And he was having a problem—when the TV was off, the mirror had that same front surface glare, so you could see a faint reflection of the window next to your actual mirror reflection. When we switched to AR coated glass, that glare went away, so the mirror looked like a real mirror, not a half-working TV. Then, when they turned the TV on, the image was way clearer too—because AR coating cuts down on light loss, so more of the TV’s light gets through the glass. That’s a win-win.
Now, I know what some of you are thinking: “Wait, mirrors have a reflective backing. If I put AR coating on the front, won’t that mess up the reflection?” Nope—here’s why. The AR coating only affects light that’s going from the air into the glass (or vice versa, for front surface reflection). The actual reflection that makes the mirror work is light that goes through the glass, hits the silver backing, and comes back. The AR coating doesn’t interfere with that at all. It just takes care of the extra glare on the front surface. It’s like putting a clear, anti-glare shield on a window that’s also a mirror—you still get the mirror part, just no extra reflections.
But hold on, it’s not all perfect, right? As a supplier, I have to be honest with you. There’s a catch here. Most standard AR coatings we make for things like phone screens are optimized for a specific range of light—usually visible light, so they work great for that. But if you’re making a mirror, you also have to think about the reflective backing. Wait, no, the catch is: not all AR coatings are the same. Some AR coatings are designed to work for normal glass, but if you want a mirror that works perfectly (and also, if you want it to last), you need to make sure the AR coating is compatible with the mirror’s backing material.
Here’s what I mean. Regular mirrors use a silver backing, right? But some cheaper mirrors use aluminum, or even just a coating of paint. We’ve had clients try to use a basic AR coated glass for a cheap mirror backing, and within a year, the coating started to peel, or the mirror got foggy. That’s because the AR coating has to be applied in a specific way, with a layer that bonds well with both the glass and the mirror backing. As someone who’s dealt with this a lot, I always tell people: don’t skimp on the coating. If you want a mirror with AR coating, you need to work with a supplier who knows how to match the AR coating to the mirror backing, so it lasts as long as the mirror itself.
Another thing I’ve noticed: a lot of people are worried about cost. AR coated glass is usually a bit more expensive than regular glass, so adding it to a mirror would make it pricier, right? Well, yes and no. For small projects, like a custom bathroom mirror, it’s a small premium—usually around 10-15% more than a regular mirror. But for larger projects, like commercial buildings with smart mirrors, or salon stations, the premium is worth it. Think about it: a makeup artist who can work 20% faster because there’s no glare, or a hotel guest who doesn’t have to adjust their reflection every time they move—those are things that make the extra cost worth it.
Wait, let’s talk about some real examples I’ve worked with, to make this not just theory. Last year, I supplied AR coated glass to a company that makes fitness mirrors—you know, those big mirrors that let you workout at home with a virtual trainer. The old fitness mirrors they were using had that front surface glare, so when you were working out in a room with windows, you could see your reflection plus a faint reflection of the windows, which made it hard to see the virtual trainer. We switched them to our anti-reflective coated glass, and they told me the feedback from customers was insane. They said 90% of their reviews mentioned how clear the mirror was, no glare, and that’s the kind of repeat business we love.
Another example: I worked with a museum a few years back. They wanted interactive mirrors in their entrance hall—mirrors that would display art facts when you stood in front of them. The museum had a problem with glare from the hallway lights, so visitors couldn’t see the screen part when it was on, and the mirror part was blurry. AR coated glass fixed that immediately. Now, visitors can look at their reflection, and if they want, tap the mirror to see facts about the museum’s art collection—no glare, no fuzzy images. That’s when I really saw how versatile this combination is.
Now, let’s clear up a common myth here. Some people think that AR coating is only for AR headsets, so putting it on a mirror would be “too high tech” for everyday use. But here’s the thing: anti-reflective coatings have been around for decades. They’re on your sunglasses, your camera lenses, your laptop screens. They’re not some new, fancy technology that only big tech companies use. They’re just a thin layer that makes glass work better, and mirrors are just another piece of glass. So yes, you can definitely use AR coated glass in mirrors—you just have to make sure it’s done right.
As someone who’s in the business, I want to give you some tips if you’re thinking about getting an AR coated mirror. First, don’t go for the cheapest option. Like I said earlier, the coating needs to be compatible with the mirror backing. If a supplier is offering an AR coated mirror for half the price of a regular one, something’s off. Second, ask about the coating’s durability. Some AR coatings scratch easily, especially if they’re on the front of the mirror (which is something you touch, right? When you wipe down the mirror, you might get scratches). Our coatings have a hard, scratch-resistant top layer, so they hold up way better than standard coatings. Third, think about where you’re putting the mirror. If it’s a bathroom, you need the coating to be water-resistant—steam from showers can mess with some coatings. Our AR coated glass is treated to resist moisture, so it works perfectly in humid environments.
Let me also address a question that a lot of architects and designers have asked me: “Will AR coated mirrors work with tinted glass?” Yes, they can! If you want a tinted mirror (for a more muted look, or for privacy), we can adjust the AR coating to work with the tinted glass. We’ve done that for a few hotels, where they want tinted smart mirrors in their bedrooms, and the AR coating cuts out the glare so you don’t see the faint window reflection. It’s all about customizing the coating to what you need.
Now, I know some people are still wondering: “Is there any reason not to use AR coated glass in mirrors?” The only real downside I’ve seen is that, if you’re using a mirror in a super dark room, maybe the AR coating will make the reflection a tiny bit dimmer? Wait, no—actually, no, that’s not right. Let’s correct that. The AR coating only cuts down on reflection, it doesn’t reduce the amount of light that goes into the mirror. If anything, in a dark room, the AR coating will make your reflection brighter, because less light is bouncing off the front surface and more is making it to the backing. The only trade-off is that, if you’re using a mirror without a reflective backing (which is not a standard mirror, anyway), but for standard mirrors, there’s no real downside.
Wait, another thing: I’ve had clients ask if you can add a mirrored backing to AR coated glass, instead of coating the glass normally. The answer is yes, that’s exactly what we do. We take the AR coated glass, then apply the silver or aluminum backing to the back side, just like a regular mirror. So you get all the benefits of the AR coating (no front glare) with a regular mirror’s reflection. It’s not some complicated process—we do it all the time.
As someone who’s been in this industry for years, I’ve seen so many cool applications for AR coated glass, and mirrors are one of my favorite ones. They’re not just for phones or headsets anymore. They’re for makeup artists, gym goers, hotel guests, museum visitors. And the best part? It’s a solution that’s actually accessible—you don’t have to be a big tech company to get an AR coated mirror.
If you’re reading this and you’re a designer, a contractor, or just someone who’s tired of dealing with glare on their mirrors, I’m here to help. I’ve worked on projects big and small, from custom bathroom mirrors for a house in the suburbs to commercial installations for a chain of gyms. I can walk you through the process, answer any questions you have about coatings, durability, pricing, whatever.
Don’t hesitate to reach out and talk through your project—even if you just have a rough idea, I can help you figure out if AR coated glass is right for your mirror. I’m all about making this technology work for real people, not just big corporations, so let’s chat.
And before I go, a quick note on the research that backs this up. I’ve referenced a few studies over the years that helped me understand how AR coatings work with mirrors—you can find more info on this topic in technical journals focused on optical coatings and reflective surfaces, as well as industry reports on smart glass applications. If you’re curious to dive deeper, those resources are a great place to start.
Thanks again for reading, and I can’t wait to help you with your next project. Let’s connect and talk about your mirror needs!
Large Screen Touch Screen References
- Technical Handbook of Optical Coatings, Society of Vacuum Coaters
- Smart Glass and Advanced Mirrors: Applications and Performance, Journal of Display Technology
- Anti-Reflective Coatings for Consumer Glass Products, International Journal of Applied Glass Science
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