Use a Mirror to Control Light for DIY Headshots

Find the Right Mirror and Window

You need two things: a mirror taller than your head and a decent window. A full-length closet door mirror is perfect. A large bathroom mirror can work if you can get far enough back. The window is your light source. North-facing light is soft and consistent all day. An east or west window works if you shoot in the morning or afternoon, avoiding the harsh midday sun. South-facing windows can be tricky; you might need a sheer white curtain to soften the blast. I once watched a client try this with a tiny, ornate hand mirror. She spent twenty minutes angling it, frustrated, before I handed her a cheap $15 floor mirror from a discount store. The difference was instant. Bigger is better.

Why a mirror at all? It lets you see exactly what the camera will see before you take the shot. You become your own director.

Position Your Reflection, Not Your Face

This is the core trick everyone gets wrong. Stand with your back to the window, facing the room. Place the mirror in front of you, angled so you can see your own face in it. Now, here’s the shift: don’t look at your own eyes in the mirror. Look at the camera lens reflected in the mirror. Your face stays pointed at the mirror, but your gaze connects with the lens reflection. This creates direct, engaging eye contact in the final photo. If you look at your own reflection, your eyes will be looking down and away in the picture, making you seem disengaged.

How far should you stand from the window? About three to five feet. This gives the light room to wrap around your features. Too close and the light becomes flat. I set my camera on a tripod just beside the mirror, lens aimed at my reflection. My phone works fine for this. The camera isn’t pointing at me; it’s pointing at the mirror version of me. That subtle distinction changes everything.

Use the Mirror to Check for Shadows

Shadows under the eyes and chin are the killers of a good DIY headshot. The mirror is your instant shadow detector. Before you shoot, look critically at your reflection. See that dark line under your jaw? That means the window light is coming from too high. Can you spot a shadow from your nose crossing your cheek? The light is too side-on. The fix is simple: adjust your body. Lower your chin a fraction. Rotate your shoulders slightly back toward the window. The mirror shows you the exact moment the shadow softens or disappears. It’s a real-time editing tool.

One client kept getting a strange, hard shadow across her collar. In the mirror, she saw it was caused by a protruding bookshelf beside the window. She moved two feet to the left, and the shadow vanished. You can solve 90% of lighting problems by moving, not by buying gear. Check for shadows on your neck and under your brows. They should be soft, not defined lines.

Avoid the Glare and Double Chin Trap

Two specific disasters happen with mirrors: glare and unflattering angles. Glare appears as a bright white blob on your face or glasses. It’s light from the window bouncing straight off the mirror into the lens. The solution is to tilt the mirror down. Just a few degrees changes the reflection path. You’ll see the glare slide off your face in the mirror. If you wear glasses, look at the lenses in your reflection. See a bright spot? Tip your chin down an inch, or shift your head slightly left or right until it’s gone.

What about the double chin? It’s all about chin height. If you look directly at your reflection, your head is level and your neck compresses. Instead, push your forehead forward and down just a touch, like you’re nodding “yes.” You’ll feel a stretch in the back of your neck. In the mirror, watch the line of your jaw sharpen. This isn’t a drastic turtle pose; it’s a subtle, elongating adjustment. Practice in the mirror until it looks natural, not strained.

Capture a Consistent, Flattering Look

Now you’re set up. You’ve killed the shadows and the glare. How do you get a great shot? Use the mirror to lock in your expression. Smile, then relax. See which looks more like you. I tell clients to think of a person they’re genuinely happy to see, then look at that camera lens in the mirror. The eyes change completely. Take a burst of 10-15 shots once you’ve got the look. Then stop. Review. Is your shirt collar lying flat? Is a stray hair catching the light? The mirror tells you. Fix it, and shoot another burst.

Can you use a phone for this? Absolutely. Prop it against a book on a table, use the timer, and look at the tiny lens in the mirror. The principle is identical. The goal is a consistent look: soft window light, direct gaze, a relaxed jawline. When you find that sweet spot in the mirror, take your series of shots right then. Don’t change position. The mirror gives you the confidence that what you see is what you’ll get.

I remember a lawyer who was desperately uncomfortable in front of the camera. He stood stiffly, forcing a smile. I had him set up this mirror system himself. He spent five minutes adjusting his stance, watching his own reflection settle into a more natural posture. When he finally looked at the lens in the glass, he gave a slight, genuine smile—the one his wife always saw. We got the shot on the third try. He controlled it. That’s the real power of the mirror: it hands the control back to you. Grab a mirror, find your light, and watch your reflection become your best headshot.

Related, and worth reading next: How to Light a Professional Headshot in a Forest at Dusk.