Red Light Therapy for Perioral Dermatitis: What the Research Shows
Red light therapy for perioral dermatitis has early, small-scale support: case reports and a larger study of a closely related rash suggest red and near-infrared light can ease itch, tightness and skin inflammation when added to standard care. It fits best as an add-on to a doctor's plan: stopping steroid creams and heavy skincare, plus a topical or oral treatment. Below: telling it apart from rosacea and acne, study settings, red versus blue light, antibiotics, steroid withdrawal, timelines and gentle mask use.
Key takeaways
- In 170 people with facial dermatitis caused by steroid cream use, 85.9% reported relief after 633 nm red LED sessions every other day. Luan, 2014
- No adverse events were recorded in that 170-person red LED study. Luan, 2014
- In two case reports of perioral dermatitis, near-infrared LED light at 830 or 880 nm was added to standard treatment, and one patient felt itch and tightness ease after each session. Guggisberg and Rümmelein, 2021
- DermNet lists UV light, heat and wind as factors that can aggravate perioral dermatitis. DermNet, 2022
- The British Association of Dermatologists says that with treatment, "The rash clears within several weeks." BAD, 2023
Does red light therapy for perioral dermatitis work?
The research points to a supportive role: in small reports, red and near-infrared light eased itch, tightness and inflammation when used alongside standard care. It is best seen as an add-on to a doctor's plan, not a replacement for it.
Perioral dermatitis is a rash of small red bumps around the mouth, and sometimes the nose and eyes. The American Academy of Dermatology (AAD) notes that many people develop it after putting a corticosteroid on the face for too long. AAD
Standard care has three parts:
- Stop the trigger: steroid creams, heavy face creams and cosmetics.
- Zero therapy: wash with warm water only, and use a bland moisturiser if skin feels dry. DermNet, 2022
- Medicine: a topical treatment such as metronidazole or erythromycin, or a course of oral antibiotics.
Light fits on top of this plan. Red and near-infrared light act on cytochrome c oxidase in the mitochondria of skin cells, and lower inflammatory markers in activated immune cells. Hamblin, 2017
Is it perioral dermatitis, rosacea or acne?
Perioral dermatitis shows as small, even bumps around the mouth and nose, usually with a clear rim of skin right next to the lip. Unlike rosacea, it does not cause flushing or visible small blood vessels.
The UK Primary Care Dermatology Society (PCDS) uses those two signs to tell the conditions apart. PCDS, 2023 A clinician should confirm the diagnosis first, because the light evidence differs for each condition.
| Feature | Perioral dermatitis | Rosacea | Acne |
|---|---|---|---|
| Main spots | Small, even bumps, sometimes with pus | Bumps and pustules on red skin | Spots with blackheads and whiteheads |
| Flushing and visible vessels | No | Yes | Not a usual feature |
| Skin right next to the lip | Often spared | Not a defining sign | Not a defining sign |
| Light with the most data | Red and near-infrared as an add-on | Yellow and red LED | Blue paired with red |
For the other two conditions, see our guides to red light therapy for rosacea and red light therapy for acne.
What settings did the light studies on perioral dermatitis use?
LED sessions in these reports ran 3 to 30 minutes, from once a week to every other day, over several weeks. Most used 630 to 633 nm red or 830 to 880 nm near-infrared.
| Study | Skin problem | Light | Minutes | Schedule | Course |
|---|---|---|---|---|---|
| Guggisberg 2021, case 1 | Perioral dermatitis | 880 nm near-infrared LED | 30 | Twice a week, then weekly after 10 sessions | 14 sessions |
| Guggisberg 2021, case 2 | Perioral dermatitis | 830 nm near-infrared LED, about 15 cm away | 13 | Weekly or twice a week | About 8 sessions |
| Luan 2014 (170 people) | Facial dermatitis from steroid creams | 633 nm red LED | 20 | Every other day | Best with 6 or more sessions |
| Gu 2016 (30 people) | Facial dermatitis from steroid creams | Red LED | 15 | Twice a week | 5 weeks |
| He 2022 (83 people) | Facial dermatitis from steroid creams | 590 and 830 nm LED with barrier repair care | Not given | Not given | 8 weeks |
| Sonbol 2020 (30 people) | Sensitive, reactive facial skin | About 630 nm red LED, 10 cm away | 3 | Twice a week | Up to 8 weeks |
Both perioral dermatitis cases were treated in a clinic alongside antibiotic creams or tablets. Guggisberg and Rümmelein, 2021 The first reported relief of itch and tightness straight after each session, and her rash started to improve after the 9th session. The authors call LED a useful add-on for hard-to-treat cases.
The closest larger evidence comes from facial dermatitis caused by steroid cream use, a condition closely linked to perioral dermatitis. Luan, 2014 In that review of 170 patients, people stopped their steroids and had 633 nm red light for 20 minutes every other day.
- Relief: 85.9% reported relief, judged 2 weeks after the last session.
- Sessions: 6 or more sessions did better than fewer.
- Follow-up: of 137 people followed up, 107 needed no steroid or other medicine for 3 to 6 months.
- Skin samples: biopsies from 2 volunteers showed less inflammation in the deeper skin.
In a second study of the same condition, 76.19% of people using 830 and 590 nm LED with barrier repair care responded by week 8. He, 2022
Red light also calmed reactive facial skin in a 30-person pilot: itch scores fell from 5.5 to 1.3. Sonbol, 2020 Our article on red light therapy for eczema covers that study in detail.
Is photodynamic therapy for perioral dermatitis the same as an LED mask?
No. Photodynamic therapy (PDT) puts a light-activated drug on the skin in a clinic and then shines light to switch it on, while an LED mask uses light alone.
DermNet and the Cleveland Clinic both list PDT among the treatment options for perioral dermatitis. Cleveland Clinic, 2020 The best-known study used a split-face design. Richey and Hopson, 2006 One side of the face had aminolevulinic acid (ALA) followed by blue light, and the other side had clindamycin cream.
- PDT side: mean clearance of spots was 92.1%.
- Cream side: mean clearance was 80.9%.
- Size: 21 people enrolled and 14 completed the study.
A 2024 case report adds a patient whose rash, caused by a cancer drug, almost cleared after three monthly PDT sessions. Fattore, 2024 These results apply to the clinic treatment, where the drug does much of the work. Our guide to blue light therapy explains how PDT differs from home blue light.
Should you choose red or blue LED light for perioral dermatitis?
Red and near-infrared light are the closer match, because the LED reports on this rash and on steroid-related facial dermatitis used red or near-infrared light. The blue light in the PDT study was there to activate a drug.
LED light therapy for perioral dermatitis also needs to respect a fragile skin barrier. Our blue light guide reports dryness in up to about one in ten people using home blue light.
- Red light (around 630 to 670 nm): the band used in the 170-person study and the sensitive skin pilot.
- Near-infrared (around 830 to 880 nm): the band used in both perioral dermatitis case reports.
- Blue light (around 415 to 460 nm): best studied for breakouts; in perioral dermatitis, studied with a drug.
Can you use LED light during zero therapy or after stopping a steroid cream?
Yes, light fits zero therapy well because a session adds nothing to the skin. It does not prevent the flare that can follow stopping a steroid, so reduce the steroid as your prescriber advises.
Zero therapy means stopping face creams, cosmetics and sunscreens, and washing with warm water until the rash clears. DermNet, 2022 The case report authors suggest light partly because many people find this hard: it adds care without adding a product.
- Expect a flare: the AAD warns the rash may worsen at first after stopping a steroid, and of restarting it says "Using it again will only bring temporary relief." AAD
- Taper with advice: the PCDS suggests reducing how often you apply a steroid over 1 to 2 weeks before stopping. PCDS, 2023
- No home steroid creams: MedlinePlus says "Do not use any over-the-counter steroid creams to treat this condition." MedlinePlus, 2025
- Keep needed steroids: DermNet advises continuing necessary nasal, inhaled or oral steroids.
Can you use red light therapy while taking doxycycline for perioral dermatitis?
Check with your prescriber or pharmacist first. Tetracycline antibiotics such as doxycycline are a common treatment for this rash, and they can make skin more sensitive to sunlight.
The NHS lists skin "being more sensitive to the sun" as a side effect of doxycycline. NHS, 2025 The BAD says most people need antibiotics for 2 to 3 months. BAD, 2023
Our precautions rule out use with photosensitising medication, so anyone taking a medicine should check with their pharmacist or doctor before using the device. Our guide to whether red light therapy is safe covers this in more detail. If you are advised to wait, light sessions can start once the course ends.
Can red light therapy make perioral dermatitis worse?
No side effects were recorded in the light reports on this rash, and a review of 31 LED trials found few adverse events overall. The point to watch is warmth, since heat can aggravate perioral dermatitis.
The 170-person red light study recorded no adverse events. Luan, 2014 Across randomised trials in dermatology, LED devices caused "few adverse events". Jagdeo, 2018
- No UV: red and near-infrared LEDs give no ultraviolet light, one of the aggravating factors DermNet lists.
- Warmth: longer, brighter sessions warm the skin, so start short and low.
- More is not better: light has "a pronounced biphasic dose response", where low doses help and high doses hold back. Hamblin, 2017
- Broken skin: skip sessions while any spot is open, crusted or picked, and resume once it has closed.
- Irritation: our precautions say "Stop using the device if you notice irritation and ask a doctor."
For what to expect from a mask in general, see red light therapy mask side effects.
How long does perioral dermatitis take to clear with light and treatment?
With standard treatment, the rash usually clears over several weeks, and some cases take a few months. In the light reports, change built up over several weeks of regular sessions.
| Source | Timeline |
|---|---|
| BAD, 2023 | "The rash clears within several weeks" |
| DermNet, 2022 | Treatment usually lasts 4 to 8 weeks |
| MedlinePlus, 2025 | Treatment may be needed for up to 6 to 12 weeks |
| StatPearls, 2025 | Creams may take up to 3 months to reach their full effect |
| Guggisberg 2021, case 1 | First improvement after the 9th light session |
| Luan 2014 | Best results with 6 or more sessions |
DermNet notes it can come back if treatment stops too early. Take photos at weeks 0, 4 and 8 in the same light, and judge progress over that span rather than session by session.
Can you use red light for rash around the eyes, in children or during pregnancy?
Around the eyes, keep light off the eyelids: the mask has an eye opening with no diodes over the eyes. Children and pregnant women need a doctor's plan, and Kivorla devices are for adults who are not pregnant.
- Around the eyes: the same rash can appear beside the eyes, and eye symptoms such as conjunctivitis or blepharitis can occur. DermNet, 2022 Any eye symptom belongs with a doctor.
- Children: the rash is common in children, often between 7 months and 13 years old. Our precautions say "Keep out of reach of children."
- Pregnancy: hormonal changes, including pregnancy, can bring on flares. Our precautions say not to use the devices if pregnant.
How do you use the Kivorla mask alongside perioral dermatitis treatment?
Use the red mode at the lowest settings on clean, bare skin, 2 to 3 times a week, alongside your doctor's plan, building up only while skin stays calm.
The 4-Wavelength Red Light Therapy Mask is a cordless, full-face, food-grade silicone shell with an eye opening. The red mode combines 665 nm red with 850 nm and 1064 nm near-infrared. Its red sits close to the 630 to 633 nm of the red light studies, and its 850 nm sits between the 830 and 880 nm of the case reports. The blue mode pairs 460 nm blue with 850 nm and is designed for breakouts. Brightness is 50, 70 or 90%, and the timer 5, 10 or 15 minutes.
- Before you start: get the rash diagnosed, and if you take any medicine, see the doxycycline section above.
- Who should not use it: people who are pregnant, have epilepsy, have a thyroid condition or take thyroid medication.
- Skin prep: wash with warm water, pat dry, and wear no creams under the mask.
- Week 1: Red mode at 50% brightness on the 5-minute timer, 2 to 3 times a week.
- Build up: move to 10 minutes, then 70%, then 90%, only if any warmth settles within the hour.
- Limits: the manual allows 10 minutes up to 4 times a week at high brightness, or 15 minutes up to 3 times a week, and never more than 20 minutes a day.
- Afterwards: apply only what your doctor allows, such as a bland, unperfumed moisturiser if skin feels dry.
- Hygiene: wipe the inside of the mask after every session.
Starting low keeps sessions short and gentle, closer to the 3-minute sessions of the reactive skin pilot. If the rash reaches the jawline or below the jaw, the mask does not cover it; the 9-Spectrum Red Light Therapy Panel reaches those areas, used with its supplied goggles.
Standard shipping to the US, UK and Germany is free. Read the precautions before ordering. Under our return and refund policy, returns are accepted within 30 days: an unopened device with its seals intact is refunded less a 10% restocking fee, and an opened device that is undamaged and complete is refunded less 20%.
Kivorla devices are general wellness devices, not medical devices, and are not intended to treat perioral dermatitis. See a doctor or dermatologist to confirm the rash, before stopping a prescribed steroid, and about any rash near the eyes or in a child.