Intense Pulsed Light (IPL)
IPL sends broad-spectrum light through a flat glass window, so a whole patch is treated in one flash. Eye protection is worn because the flash is bright.
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IPL vs Chemical Peel
IPL works best on brown spots and redness in lighter skin. It heats a colour and leaves the skin around it alone. A chemical peel works on spread-out pigment, acne and rough texture, and it suits a wider range of skin tones. No trial has ever compared the two.
At a glance
| The difference | Intense Pulsed Light (IPL) | Chemical Peel |
|---|---|---|
| Downtime | Days of darkening, then flaking | Days, longer the deeper it goes |
| Cost | No published price for IPL alone | Two dated, self-reported figures |
Chemical Peel
A chemical peel being brushed on. The solution is painted over the skin and left for a set number of minutes — nothing is passed over the skin and nothing is injected.
Side by side
The differences that matter
What you actually do
Intense Pulsed Light (IPL)
A flash of light, absorbed by colour
A handpiece flashes a band of light through a filter. Brown pigment and the red of blood soak up that light and heat up. Treated spots darken and flake off over about a week. Small vessels are damaged and clear. Skin with no colour in it soaks up very little.
Chemical Peel
Acid on, timed, then off
A solution is brushed on, left for a set time, then wiped off. The acid is picked for the job. Options include glycolic, lactic and mandelic acid, salicylic acid, Jessner's solution, trichloroacetic acid (TCA), and phenol for the deepest work. The acid destroys tissue whatever colour it is. The new skin that grows back carries the improvement.
Intense Pulsed Light (IPL)
Azelaic acid, vitamin C, or niacinamide
Fade brown patches gradually and calm redness. Slower than IPL and safe across all skin tones, including where IPL is not appropriate.
Conditions treated
Intense Pulsed Light (IPL)
Sun Spots (Solar Lentigines)
The best option when there are many spots across a whole area such as the face, chest or the backs of the hands. Usually one to three sessions, with the spots darkening and flaking off over one to two weeks after each. It is aimed at contrast between spot and skin, so it works best on lighter tones and is used cautiously or not at all on deep skin.
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Post-Inflammatory Redness
Broad-spectrum light that also targets blood in the vessels, and it covers a whole cheek quickly, which suits scattered marks. It is less precise than a pulsed dye laser and usually needs more sessions. Because the same light is absorbed by pigment, it needs real care on medium and deeper skin tones.
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Rosacea
Light rather than laser, and about as effective as pulsed dye laser for diffuse redness across the cheeks, with less bruising. It is often the better choice when the problem is a general flush rather than a few distinct threads. It needs an experienced practitioner and a test patch on deeper skin tones, because the wrong settings can cause lasting pigment change.
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Post-Inflammatory Hyperpigmentation
Broad-spectrum light aimed at surface pigment, and it is a poor fit for these marks. It is absorbed strongly by pigment throughout the skin, so on medium and deep skin tones it can burn and leave a darker or patchier result than it started with. It is used far more for sun spots on fair skin than for anything on this page.
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Melasma
Often offered for facial pigment, and often the wrong choice for melasma. It can lighten patches briefly and then bring them back darker within weeks, because the heat it delivers is itself a trigger for pigment cells. It works far better on sun spots, which is part of why telling the two apart matters before booking anything.
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Chemical Peel
Indented (depressed) scars
A peel works on the surface layers. Scars that dip below the skin are missing tissue further down than a peel reaches. The flat marks beside them do respond.
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Post-Inflammatory Hyperpigmentation
A series of light peels speeds up the shedding of surface pigment, so it helps brown marks far more than gray ones. Done gently and spaced out, it adds to a good home routine rather than replacing it. Done too strongly, especially on deeper skin tones, the peel itself inflames the skin and creates a fresh round of marks.
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Melasma
Light peels, spaced out, speed up the clearing of surface pigment when they are added to creams and sun protection. They are an addition and never a replacement. Depth is the whole issue: a peel strong enough to leave the skin red and peeling can inflame it and leave the patch darker than it started, which is one of the commonest ways melasma gets worse.
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Acne
Modest benefit for clogged pores and a better one for the dark marks left behind. Needs repeat sessions, and the benefit fades if the daily treatment stops.
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Dark Circles Under the Eyes
Light peels done around the eye can lift brown pigment over a course of treatments, and they are a reasonable next step when creams have stalled. Settings have to be gentle, spaced further apart and often preceded by weeks of a preparation cream, because over-treating eyelid skin leaves more pigment than it removed. On deeper skin tones, ask directly how many people with your skin tone the clinic treats.
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Keratosis Pilaris
A stronger version of the acid creams, applied in a clinic to the arms or cheeks. It can smooth the texture for a while, and the effect fades in the same way, so the daily cream is still needed afterwards. It is an add-on for people who want a faster start, not a replacement for the routine.
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Sun Spots (Solar Lentigines)
Lightens spots across a whole area rather than one at a time, which suits the backs of the hands, the forearms and the chest where spots are scattered widely. Usually a course rather than a single treatment, and the result is a general evening out rather than each spot disappearing. Depth matters: a peel strong enough to leave the skin raw can leave a darker mark instead.
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Actinic Keratosis
A medium-depth peel takes off the damaged top layer across a whole face or scalp at once, so it treats the field rather than single spots. It is an option when creams have not been tolerated. The skin is red and peeling for about a week, and results depend a lot on who is doing it and at what strength.
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Stretch Marks
Medium-depth peels have some evidence for modest improvement in mature marks, mostly when used alongside another treatment rather than on their own. Because they work by controlled injury, the same pigment cautions apply on deeper skin tones, and a test patch is worth insisting on.
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Acne Scarring
Repeated medium-depth peels smooth the edges of shallow scars and even out the tone around them. The effect on texture is modest next to laser or needling. On this page peels earn their place mostly for the flat marks sitting alongside the scars rather than for the scars themselves.
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What you can expect to see
Intense Pulsed Light (IPL)
Brown spots and redness on lighter skin
Flat brown sun spots, freckling, small visible vessels and general facial redness. Each has a strong colour for the light to aim at.
Chemical Peel
Pigment, acne, tone and texture
Peels also treat acne, dullness and fine lines. In 13 studies of 478 people with melasma in darker skin, glycolic acid beat TCA, and both TCA and Jessner's beat hydroquinone cream.
How deep it goes
Intense Pulsed Light (IPL)
As deep as the target is
The aim is to heat the target and spare the layers around it.
Chemical Peel
Whatever depth is chosen
Superficial peels stay in the outer layer. Medium peels reach the upper true skin. Deep peels reach the middle of it. A percentage on a bottle is not a fixed depth. One standard reference calls 35 percent TCA a light peel. Another calls it medium.
Safety in darker skin
Intense Pulsed Light (IPL)
The risk is built into how it works
Melanin is the target. More melanin means more light is soaked up where you did not want it. Current guidance says IPL strong enough for resurfacing or hair removal should be avoided in Fitzpatrick IV to VI skin. The risks are darkening and permanent loss of pigment.
Chemical Peel
Depth-graded, and workable
Superficial peels are often used in Fitzpatrick IV to VI skin, with high satisfaction. Medium peels need caution. Deep peels should be avoided. In one study, 15 percent TCA caused temporary darkening in 28 percent of patients at four weeks. Almost all of it was gone by 12 weeks.
Downtime
Intense Pulsed Light (IPL)
Days of darkening, then flaking
Redness and mild swelling for a day or two. Treated spots darken to a coffee-ground look and shed over the next week. Most people can wear makeup and go to work.
Chemical Peel
Days, longer the deeper it goes
Expect redness for about 3 to 5 days after a superficial peel, and 15 to 30 days after a medium one. Full healing takes 7 to 10 days for a medium peel, and 14 days or more for a deep one.
Sessions
Intense Pulsed Light (IPL)
Usually a series
A course of sessions a few weeks apart. Top-ups later.
Chemical Peel
A course, every two weeks
Most published plans run three to six sessions. The usual gap is two weeks.
Cost
Intense Pulsed Light (IPL)
No published price for IPL alone
No professional society publishes a price for IPL on its own.
Chemical Peel
Two dated, self-reported figures
RealSelf reported an average of $438 in January 2023. The last separate figure from the American Society of Plastic Surgeons was $519 in 2020.
Who tends to be happy with it
Intense Pulsed Light (IPL)
- Best for — Fair to medium skin with separate brown sun spots, freckling, broken vessels or facial redness.
- Watch for — Your skin tone and any recent tan. If you are Fitzpatrick IV to VI, this is where that matters most.
Chemical Peel
- Best for — Spread-out pigment, melasma, acne, rough or dull texture, fine lines. A wider range of skin tones too.
- Watch for — Depth. Ask the acid, the strength and the number of coats. Brand names tell you nothing about depth.
The mechanism difference, and what it means for you
Intense Pulsed Light (IPL)
So IPL suits a strong colour sitting on skin that has none. Flat brown sun spots on fair skin are close to the ideal case. So is redness, because the target is the blood in the vessels. IPL can clear those and leave the rest of the face alone.
The same fact is IPL's weakness. If the skin around the target is itself richly pigmented, the light is soaked up there too. That can mean a burn, a patch that goes darker, or a patch that loses pigment for good. A peel has no such preference. It removes what it is applied to, which makes it blunter but easier to use across skin tones.
How it works, illustrated
Chemical Peel
The fine print
Intense Pulsed Light (IPL)
IPL devices are Class II and need FDA 510(k) clearance. The maker shows FDA the device is much the same as one already on the market, for a written list of uses. Those lists typically name benign pigmented lesions, benign vascular lesions and hair removal. A clearance is a judgment of similarity, not proof that a treatment works for you.
Chemical Peel
Chemical peels have nothing equivalent. No peel product has FDA approval, none has ever been cleared as a device, and there is no approved drug application for the peel acids. In a drug alert on 30 July 2024, FDA said it has not approved any chemical peel products, and that they should only be used under the supervision of a dermatologist or a licensed and trained practitioner.
Related topic illustrations
Chemical Peel
Microneedling
Moderate evidence. Aimed at indented scars, which a superficial peel does not touch. More downtime per session, and usually done once the acne itself is under control.
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Microdermabrasion
Limited evidence. Sands the surface instead of dissolving it. No peeling and little lasting effect on acne, which is why it is often bundled rather than sold on its own.
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Common questions
Questions Patients Ask
Which is better for brown spots?
It depends on your skin tone and on what kind of brown. For discrete, flat sun spots on fair to medium skin, IPL is designed for exactly that job - the light is absorbed by the pigment and largely spares the skin around it. For diffuse pigment, melasma, or any of this in Fitzpatrick IV to VI skin, a peel is the safer tool, because it does not rely on your pigment as its target. No trial has ever compared the two directly, for melasma or for sun damage or for anything else, so this is reasoning from mechanism and from each treatment's own evidence rather than a measured result.
Is IPL safe for dark skin?
Current guidance says IPL capable of resurfacing and hair removal should be avoided in Fitzpatrick IV to VI skin, because of both darkening and permanent loss of pigment in treated areas. The reason is built into how it works: melanin is what absorbs the light, so in more pigmented skin the light is absorbed where it was not aimed. A 2026 Australian case series of four patients with IPL complications in skin of color put the cause down to broad-wavelength light plus insufficient operator skill. If you have medium or darker skin and are considering it anyway, a test patch and an experienced operator are the minimum.
Which costs more?
Neither has a reliable published price, so this cannot be answered honestly with a number. The American Society of Plastic Surgeons reported $697 in 2023 for a bundled "skin treatment (combination lasers)" line that includes IPL alongside laser hair removal, tattoo removal and leg vein treatment - that is not an IPL price - and it stopped publishing minimally invasive fees after that year. For peels, RealSelf reported an average of $438 in January 2023 from self-reported prices, and the last separate society figure was $519 in 2020. Both are usually sold as a course, so the per-session number is not what you will actually spend.
Is IPL FDA cleared? Is a chemical peel FDA approved?
IPL devices are Class II and do require FDA 510(k) clearance, and a cleared device carries a specific written list of what it was reviewed for - typically benign pigmented lesions, benign vascular lesions and hair removal. You can ask which device a clinic uses and what its cleared indications say. Chemical peels have nothing equivalent. The FDA wrote on 30 July 2024: "The agency has not approved any chemical peel products, and consumers should only consider using chemical peel products under the supervision of a dermatologist or licensed and trained practitioner." No peel has ever been cleared as a device either.
Which is better for melasma?
Nobody knows, because the trial has never been run, and both can make melasma worse if handled badly. Melasma is provoked by light, heat and inflammation, and IPL delivers heat into pigment on purpose, which is why it is used cautiously and at low settings for melasma when it is used at all. Peels cause inflammation too, and darkening afterwards is the most common complication of TCA peeling. Peels do have positive pooled evidence: across 13 studies and 478 people with melasma in darker skin, glycolic acid beat trichloroacetic acid and both TCA and Jessner's beat topical hydroquinone. Melasma also relapses - in one study 70 percent of patients had recurred within 12 weeks of stopping treatment.
Does IPL help with texture or fine lines?
Not much, and this is the clearest thing a peel does that IPL does not. IPL removes a color, not a layer. If your complaint is roughness, dullness or crepey texture rather than a spot or a vessel, the mechanism does not address it. A peel removes tissue to a chosen depth and the skin rebuilds, which is where the texture change comes from.
Can I have both?
Clinics do combine them, and one observational study used oral tranexamic acid, low-fluence IPL and a glycolic peel together in mixed melasma - but with three treatments given at once it cannot tell you what any one of them contributed. There is no published guidance on spacing the two, and stacking two inflammatory treatments close together raises the risk of pigment problems in anyone prone to them. If you are combining, space them and ask your provider to explain the plan.