1726 nm Laser vs LED Light Therapy

1726 nm Laser: A laser tuned to heat and shrink oil glands. It is the first laser class cleared to treat acne itself, and it works on all skin tones. Three sessions, and results arrive slowly.

LED Light Therapy: Panels, masks, and handhelds that shine red, near-infrared, or blue light on the skin. No ultraviolet and no downtime. The science is real, the marketing runs far ahead of it, and most of the studies are small and funded by device makers.

Reviewed by Dr. Schwarz, Board-Certified Dermatologist
Last updated: 10/22/2026

Editorial illustration for 1726 nm Laser, based on the entry’s treatment or equipment reference.

Editorial illustration for LED Light Therapy, based on the entry’s treatment or equipment reference.

Choose if Key differences What is it?What it treats Treatment areas Skin tones How it works Before your treatment Day of treatment After your treatment Risks Cost Questions Related

Choose 1726 nm Laser if…

Choose for ongoing acne when you want a drug-free option that treats the oil gland itself, and can wait months for results.

Persistent acne despite creams
You want to avoid or reduce pills
You can budget for a 3-session package

Choose LED Light Therapy if…

Choose as a gentle, painless add-on for mild acne or fine lines — the marketing runs well ahead of the evidence.

Mild acne alongside skincare
You want no downtime or pain
You'll use it several times a week

Fine together

Can you have both?

LED sessions are gentle and can be added between 1726 nm laser treatments, but add little on their own.

Key differences

● 1726 nm Laser

● LED Light Therapy

DowntimeNone → 2+ weeks

1–2 days

None

PainMinimal → Needs anesthesia or sedation

Moderate

Minimal

Results showImmediately → 3+ months

3+ months

1–3 months

How long it lastsWeeks → Years or permanent

1–2 years

Weeks

Visits neededOne → Every few months

A short series (2–3)

Every few months

Cost per visit$ → $$$$$

$$$$

ReversibleYes, can be undone → No, permanent

No, fades slowly

No, wears off

What is it?

1726 nm Laser

LED Light Therapy

What is it?

It targets oil glands.

The 1726-nm wavelength heats sebaceous structures.

It is a newer acne treatment.

Studies report improvement in some patients.

It is not a guaranteed cure.

Device, cooling and patient selection matter.

It should not delay treatment.

Severe acne and scarring need effective care.

It uses light-emitting diodes.

LEDs expose skin to visible or near-infrared light.

Effects depend on the setup.

Wavelength, device and indication all matter.

It is not phototherapy.

It differs from UV treatment and photodynamic therapy.

Clearance is not proof.

A home-device clearance does not prove every claim.

What it treats

Evidence level

1726 nm Laser

LED Light Therapy

Moderate evidenceSome supportive research

Acne

Reduces breakouts in early studies.

Visible sebum shine and natural pores on the nose and cheek.

Oily Skin

Lowers oil production.

—

Limited evidenceEarly or small studies

—

Acne

Blue light modestly reduces spots.

A relaxed forehead with faint shallow horizontal fine lines.

Wrinkles and Fine Lines

Red light may slightly smooth.

Little evidence

Redness and fine superficial vessels across a light-skinned cheek and nose.

Rosacea

Not studied for rosacea.

—

Not effective

Acne Scarring

Doesn't change scars.

Acne Scarring

Doesn't change scars.

Can make it worse

—

Flat tan patches with soft irregular edges across the forehead and upper cheek of an adult with light skin, the surface completely smooth.

Melasma

Light can darken patches.

Treatment areas

Face and back; the acne-affected treatment area is assessed individually.

Face; the selected area depends on the concern and treatment plan.

Skin tones

Skin tone

● 1726 nm Laser

● LED Light Therapy

Lighter skin

Low risk

Redness for a day or two.

Low risk

No ultraviolet.

Medium skin

Low risk

Cleared for all skin tones.

Low risk

No ultraviolet.

Deeper skin

Some risk

Low overall, but ask about cooling settings and dark-mark risk.

Some risk

Visible light can darken melasma-prone skin.

How it works

1726 nm Laser

LED Light Therapy

How it works

1726 nm Laser mechanism diagram. Laser energy reaches sebaceous tissue: A selected device delivers 1726 nm light with skin cooling. Sebaceous structures absorb light: The treatment creates a targeted thermal response. Acne activity may decrease: Improvement develops over time and varies among patients.

LED Light Therapy mechanism diagram. LEDs deliver selected wavelengths: The device exposes skin to a planned light regimen. Light is absorbed by its targets: Effects depend on wavelength, device, and treatment goal. Response builds over a course: Some regimens may help selected skin concerns; results vary.

Diagram explanation

Laser energy reaches sebaceous tissue: A selected device delivers 1726 nm light with skin cooling. Sebaceous structures absorb light: The treatment creates a targeted thermal response. Acne activity may decrease: Improvement develops over time and varies among patients.

Schematic illustration. Technique and response vary. This explains a mechanism and does not specify treatment settings.

LEDs deliver selected wavelengths: The device exposes skin to a planned light regimen. Light is absorbed by its targets: Effects depend on wavelength, device, and treatment goal. Response builds over a course: Some regimens may help selected skin concerns; results vary.

Schematic illustration. Technique and response vary. This explains a mechanism and does not specify treatment settings.

Before your treatment

1726 nm Laser

LED Light Therapy

The week before

Sun: Avoid sunburn.

3 to 5 days before: Retinoids: Stop topical retinoids for 3 to 5 days if asked.

Ask your provider: Conditions and medicines: Ask first about lupus, porphyria, another light-sensitive condition, a retinal condition, past eye surgery or seizures.

Day of treatment

1726 nm Laser

LED Light Therapy

Before you arrive

Clean skin: Clean skin, no makeup.

Before each session: Clean skin: Sunscreen, makeup and thick moisturizer block visible light, mineral sunscreens especially, so a session over sunscreen does little.

Before session one: Baseline photo: Photograph your face in daylight, same spot, no makeup.

Shields and dose: Have the eye shields to hand before you start.

Arrival & prep

Photos matter here, because progress is gradual.

In a clinic, skin is cleansed.

Treatment

Eye shields on, the handpiece pressed on section by section.

Each pulse is a deep, hot snap against a cold plate. A full face takes about 30 minutes, often with a faint burnt smell from surface hairs. It hurts more than most laser facials, and numbing cream only takes the edge off.

The panel or mask sits close to the skin and runs for 10 to 20 minutes.

Red light is a strong glow even through closed eyes; near-infrared is invisible but feels warm. Shields stay on the whole session. It does not hurt. Expect mild warmth, and sometimes a headache after, usually from light without shields.

Before you leave

Red and slightly swollen, like mild sunburn.

Skin looks unchanged, maybe flushed for a few minutes.

After your treatment

1726 nm Laser

LED Light Therapy

First 24 hours

Redness, warmth and mild swelling for a few hours to a day.

Days 1 to 3: Redness settles; skin may feel rough or dry.

Days 1 to 2: Dryness or a headache are uncommon and mild.

Weeks 2–4

Weeks 1 to 4: New spots are common, especially after the first session.

Weeks 1 to 4: Little visible change.

Beyond 1 month

Not specified

Weeks 8 to 12: If a photograph in the same light shows nothing by now, more weeks will not change the answer.

Time to results

3–6 months after the last session

8–12 weeks of regular use

How long results last

1–2 years in many; some need maintenance

Only while used

Risks

A flare still worsening past 6 weeks
Dark patches
Small blisters or crusts

Darkening or worsening melasma
Headaches or eye discomfort after sessions
A rash or unusual redness after sessions
Burns from a device
Skin cancer

Cost

Per session

In the US a three-session course runs about $2,500 to $4,500, sold as a package.

Home devices are the main market, from roughly $50 for a handheld wand to several hundred dollars for a full-face mask, and higher.

Insurance

Insurance does not cover it — acne is medical, but this counts as elective.

Insurance does not cover it.

Questions

1726 nm Laser

LED Light Therapy

Individual Questions

Is AviClear or Accure better?

No head-to-head trial exists. Both use the same wavelength with similar results. Accure adds real-time temperature monitoring; AviClear has been in use longer. Operator experience matters more than the device.

Does it replace Accutane?

Not for everyone. Isotretinoin is more reliable and durable for severe acne, and far cheaper. The laser suits people who cannot or will not take it, or whose moderate acne failed topicals.

Why did my acne get worse?

A flare in the first few weeks is expected — damaged glands empty out and inflammation rises before it falls. It usually settles by week 4 to 6.

How long do results last?

Improvement holds out to one and two years in many patients, but the data is limited and mostly industry-funded. Some need maintenance. Nobody can promise permanence yet.

Can it be done on deeper skin tones?

Yes. It targets oil, not pigment, so it is one of the few acne lasers cleared for all skin types including the deepest. Heat can still leave dark patches, so settings and aftercare matter.

Does LED light therapy actually work?

Partly, and modestly. The best-supported uses are blue light for mild inflammatory acne and red or near-infrared light for wound healing. For fine lines and redness there are small positive trials, usually 8 to 12 weeks long. The literature is limited by small numbers, short follow-up, devices that differ from each other, few comparisons against proven treatments, and a lot of manufacturer involvement.

Are home masks as good as the panels in a clinic?

They generally put out less light per minute, which is why home instructions ask for several sessions a week. Over three months a consistently used home device may deliver more total exposure than occasional clinic add-ons. What is not true is that a trial of a clinic panel tells you what a particular mask will do.

Does FDA clearance mean it is proven?

No — most are cleared as substantially equivalent to a device already on the market. That is a judgment about similarity and basic safety, not evidence of a useful result.

Do I need eye protection?

Yes, and it is the one safety point worth being strict about. These devices are bright, they sit close to the face, and blue wavelengths carry a recognized photochemical hazard to the retina with prolonged exposure. Keep the shields on for the whole session, and ask your doctor first if you have a retinal condition or have had eye surgery.

How long before I know if it is doing anything?

Give it 8 to 12 weeks of consistent use, then compare a photograph taken on day one in the same light and without makeup. Judging by memory in the mirror is how people persuade themselves either way.

Can it replace a retinoid, or sunscreen, or treatment for my acne?

No — it sits on top of those, and the gain from adding it to a good routine is small. Using it instead of treatment for a condition that scars is the one way a low-risk device causes harm.

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