Is Red Light Therapy Actually Worth It?

Honest Answer

You have seen the masks everywhere, the prices all over the place, and the promises that sound too good to be true. Before you spend anything, here is a straight, research-backed answer, including what it won't do.

Written by the Morra team · Backed by published research · Last updated 2026

If you are sceptical, good. The beauty industry has earned that scepticism, with a hundred gadgets that promised the world and ended up in a drawer. So we are not going to sell you a miracle. We are going to walk through what red light therapy genuinely does for skin, what the actual studies found, what it cannot do, and then you can decide for yourself whether it is worth it.

The short answer

Yes, with honest limits. Red and near-infrared light is one of the more genuinely studied things in non-invasive skincare, with peer-reviewed, controlled trials behind it. It is associated with the look of firmer, smoother, more radiant skin over consistent use. It will not erase deep wrinkles or replace a clinical procedure, and anyone claiming it will is overselling. Used patiently, it is one of the more evidence-backed things you can add to a routine.

Why the scepticism is fair

Walk into any retailer or scroll any feed and you will see LED masks promising to "reverse ageing," "erase wrinkles," and "boost collagen," often with no study you can actually check. That kind of marketing is exactly why thoughtful people assume the whole category is nonsense. But here is the frustrating part: the overclaiming hides something real. The science underneath is genuinely interesting. It has just been buried under marketing that does it no favours.

The problem was never that red light doesn't work. It is that the people selling it couldn't help themselves.

What the research actually shows

Red light therapy, known in the literature as photobiomodulation, has been studied in controlled clinical trials, not just brand-funded marketing. Two of the most frequently cited are below, summarised honestly.

A double-blind, split-face trial (Lee et al., 2007)

In this prospective, randomised, placebo-controlled, double-blinded, split-face study, 76 people with facial wrinkles were treated with LED devices using 830nm, 633nm, the two combined, or a sham light, twice a week for four weeks. The combination of red and near-infrared wavelengths produced measurable improvements, and the researchers concluded that this LED phototherapy is an effective approach for skin rejuvenation. The split-face design, where each person's untreated side acts as their own control, is what makes it credible.

Lee SY, et al. Journal of Photochemistry and Photobiology B: Biology. 2007;88(1):51–67. PMID: 17566756.

A controlled trial of 136 volunteers (Wunsch & Matuschka, 2014)

This prospective, randomised, controlled trial treated 136 volunteers with red and near-infrared light over 30 sessions. Using blinded clinical photography, ultrasound measurement of collagen density, and digital profilometry, the treated groups showed significantly improved skin complexion and feeling, improved skin roughness, and a measured increase in intradermal collagen density compared with untreated controls.

Wunsch A, Matuschka K. Photomedicine and Laser Surgery. 2014;32(2):93–100. PMID: 24286286.

Broader reviews of the field, such as Avci et al. (2013), reach a similar conclusion: there is real, measurable signal here for the appearance of skin, while being more modest than the marketing implies. That combination, genuine evidence plus honest limits, is exactly what an informed buyer should want to hear.

What it won't do, plainly

Here is the part most brands skip. Red light therapy will not iron out deep, set-in wrinkles. It is not a facelift, it is not Botox, and it will not give you the dramatic results of an in-clinic procedure. If that is what you need, an LED mask is not it, and we would rather tell you now than take your money.

What it is genuinely good at is the look of firmer, smoother, more radiant skin, that "lit from within" glow, built gradually with consistent use. Think of it as one of the best-evidenced things you can do for the everyday appearance of healthy skin, not a transformation overnight.

"I tried one and it did nothing"

This is the most common complaint, and usually there is a reason for it. Two things quietly decide whether a mask does anything:

  • The wrong wavelengths. Many cheap masks lead with seven colours and skimp on the red (around 660nm) and near-infrared (around 850nm) light that actually has research behind it. If a device buries those two under colours that are mostly for show, you were never going to see much.
  • Stopping too soon. The studies run over four to twelve weeks of consistent use. If you used it three times and gave up, that is not the technology failing, that is the routine never really starting.

The people happiest with red light therapy treat it like brushing their teeth: a short, regular habit. The ones disappointed almost always either bought a gimmick or quit early. If you want the detail on what separates a real device from a light show, our LED mask buying guide breaks it down.

So, is it worth it for you?

It is worth it if you want a gentle, evidence-backed, low-effort way to support the look of firmer, smoother, more radiant skin over time, and you are realistic about it being gradual rather than dramatic. It is not worth it if you are expecting it to erase deep wrinkles or replace a clinical treatment. Honest enough?

Common questions

How long until I see a difference?
Most research runs over four to twelve weeks of consistent use. Treat it as a habit and give it at least a month before you judge it.
Is the cheap version a con?
Not always, but many cut corners on the wavelengths that matter. The thing to check is whether a device genuinely delivers red and near-infrared light at proper strength, rather than how many colours it lists.
Is it safe?
Red and near-infrared light at consumer levels is non-thermal and studies report it as well tolerated with no significant adverse effects. It contains no UV and is not a sunbed. If you are pregnant, photosensitive, or on light-sensitising medication, check with a professional first.
Do I need the expensive one for it to work?
No. Above a point you are largely paying for brand and packaging. A well-made mask with the right wavelengths can do the same core job as a far pricier one.

If you decide it's worth a try

The Morra DermaPro is built around the two wavelengths the research keeps pointing to, red and near-infrared, for face and neck. No seven-colour theatre, no miracle claims, an honest price. Ten minutes a day.

Explore the DermaPro

References

  1. Lee SY, Park KH, Choi JW, Kwon JK, Lee DR, Shin MS, Lee JS, You CE, Park MY. A prospective, randomized, placebo-controlled, double-blinded, and split-face clinical study on LED phototherapy for skin rejuvenation. Journal of Photochemistry and Photobiology B: Biology. 2007;88(1):51–67. PMID: 17566756.
  2. Wunsch A, Matuschka K. A controlled trial to determine the efficacy of red and near-infrared light treatment in patient satisfaction, reduction of fine lines, wrinkles, skin roughness, and intradermal collagen density increase. Photomedicine and Laser Surgery. 2014;32(2):93–100. PMID: 24286286.
  3. Avci P, Gupta A, Sadasivam M, Vecchio D, Pam Z, Pam N, Hamblin MR. Low-level laser (light) therapy (LLLT) in skin: stimulating, healing, restoring. Seminars in Cutaneous Medicine and Surgery. 2013;32(1):41–52. PMID: 24049929.

This article is for general information and education. It is not medical advice and is not intended to diagnose, treat, cure, or prevent any condition. Cosmetic benefits described relate to the appearance of skin, and individual results vary. If you have a medical condition or any concerns, speak to a qualified healthcare professional.