Most bathroom lighting problems aren't about the fixture — they're about where it's mounted and what kind of light it puts out. You can buy a beautiful vanity light and still end up with unflattering shadows and weird color if the installation details are off. Here's what actually matters.
Side Sconces vs. Above-Mirror Bars
The single biggest upgrade you can make to your bathroom lighting is moving from a bar above the mirror to sconces on either side of it. A bar mounted overhead casts downward shadows under your eyes, nose, and chin — the opposite of flattering. Side-mounted sconces light your face evenly from both angles, which is why every professional makeup studio and photography setup uses side lighting.
That said, above-mirror bars still work well when side mounting isn't an option — like when your mirror is too wide, sits between two mirrors in a double vanity, or is recessed into a medicine cabinet. The key is getting the height right.
Mounting Heights That Work
For side-mounted sconces, install them so the center of the fixture sits at roughly eye level — about 60 to 65 inches from the floor for most people. This puts the light source right where it needs to be to illuminate your face without glare.
For an above-mirror bar, mount it approximately 75 to 80 inches from the floor, or about 3 inches above the top of the mirror frame. Any higher and the light won't reach your face effectively. Any lower and it visually crowds the mirror.
These numbers assume standard 8-foot ceilings. If you've got taller ceilings or an oversized mirror, adjust accordingly — but the principle stays the same: get the light as close to face level as the layout allows.
Color Temperature Makes or Breaks It
This is the detail most people skip, and it matters more than the fixture itself. Color temperature is measured in Kelvin (K), and the number you choose determines whether your bathroom feels warm and inviting or cold and clinical.
For most bathrooms, 2700K to 3000K hits the sweet spot — warm enough to be flattering, bright enough to see clearly. Going above 4000K starts to feel like a hospital or commercial restroom. If you're choosing between two fixtures and one is 3000K and the other is 5000K, that difference will affect how the room feels far more than the style of the fixture.
If your vanity light is on a dimmer, even better. Full brightness for detail work in the morning, dialed back for a late-night shower.
The Takeaway
Get the placement close to eye level, choose a warm color temperature, and consider side-mounted sconces if your layout allows it. Those three things matter more than the price tag or brand name on the fixture — and they're the difference between a bathroom that looks good in photos and one that actually looks good when you're standing in front of the mirror.

