Red Light Therapy, Is It Worth the Hype? A Dermatologist's Take

October 27, 2026

Red light therapy is everywhere right now: masks, panels, wands. The promise is repair: stimulate collagen, calm inflammation, soften fine lines.

So is it worth the hype? Yes, for modest improvement in fine lines and texture, if you use it consistently. No, if you’re counting on it to undo sun damage. Here’s where it fits, and what matters more.

What Red Light Therapy Can Do

The research is real, but the results are modest. In a 2025 randomized, sham-controlled trial, people who used an at-home LED mask daily for 12 weeks saw measurable improvement in wrinkle depth and texture around the eyes.² Most studies show results in 4 to 12 weeks, with sessions of about 10 to 12 minutes, twice a week.

Some of my patients like how their skin looks after consistent use. I see merit in it.

Where It Falls Short

Red light does little for dark spots or uneven tone.³ If you have melasma, the warmth from some devices can make pigment worse.⁴

It also can’t rebuild what years of sun exposure broke down. It can stimulate some new collagen. It can’t restore your skin to what it would have been.

What Actually Ages Your Skin

Birthdays and genetics play a part. But sun exposure, including the incidental UV from everyday errands, is the biggest driver of fine lines, brown spots, dull or uneven tone, and loss of firmness. In one widely cited study, UV exposure accounted for about 80% of visible facial aging in Caucasian women.¹

That should change how we think about skincare.

Why Prevention Comes First

Most skincare works backwards: damage first, correction later. Over 25 years in dermatology, I’ve watched this pattern play out:

Serums for spots that already formed
Lasers and injectables for lines that already set in
Red light for collagen that already broke down

Repair tactics work, but not completely. And they're expensive. Prevention protects both what you have AND what you've invested in.

Why We Default to Repair

You can see a red light mask working. You put it on, the light glows, and it feels like you’re doing something.

UV is invisible. You can’t see it or feel it, and you don't know how much you got until it's too late. To make things even more complicated, you can’t tell when your sunscreen has worn off. So most people apply it once and hope, or follow the "2 hour" rule when they might need more... or less!

We fix what we can see and ignore what we can’t.

How BURŪV Makes UV Visible

I have performed more than 15,000 skin cancer surgeries in my practice. Clearly, not seeing our risk is putting us at risk!

We need to stop guessing about our sun exposure. That's the problem BURŪV was built to solve.

BURŪV is a smart band and app for Apple Watch®, created by me, a double-board certified dermatologist and Mohs surgeon. Its patented TruSun® technology measures your real-time UV exposure and factors in your skin type, and the SPF you’re wearing, including how it fades through the day. When it’s time to reapply or find shade, BURŪV sends an alert to your Apple Watch®.

There are no sessions to schedule. There's no subscription you're locked into. You swap the BURŪV band for your existing Apple Watch band®, and you take action when it alerts you.

I didn't create BURŪV so people have to hide indoors. Time outside, doing things you love is one of the best parts of life. BURŪV helps you enjoy it, wisely, without putting your skin health and appearance on the line.

Should You Keep Your Red Light Mask?

I’m not telling anyone to throw it out. If you enjoy it, keep using it.

My point is about priority. If you’re deciding where to invest first, invest in knowing your sun exposure. Then let repair tools do the smaller job they’re suited for.

Red Light Therapy FAQs

Does red light therapy work on wrinkles?

Modestly. Controlled trials show measurable improvement in fine lines and texture with consistent use. It won’t erase deep wrinkles.⁴

How long until I see results?

Most studies show change in 4 to 12 weeks, with sessions of about 10 to 12 minutes, twice a week. Follow your device’s instructions.

Is red light the same as UV?

No. Red light contains no UV.

Can red light fade sun spots or melasma?

Not reliably. For melasma, the heat from some devices can make pigment worse.⁴

Who should be cautious?

People with melasma or lupus, or anyone taking a medication with a photosensitivity warning (such as doxycycline), should talk to their dermatologist first.⁴