A question I hear frequently is:
“Doctor, my skin is olive or darker. Can laser make my pigmentation worse?”
The short answer is:
Yes, many laser treatments can be used safely and effectively across different skin tones — but not every device is appropriate for every skin type or every condition.
That distinction matters.
“Laser” is not one treatment.
Different devices use different wavelengths, pulse durations and methods of delivering energy into the skin.
So before a session, I am not only asking:
“What colour is your skin?”
I also want to know:
What are we treating?
Do you develop dark marks after acne or minor injuries?
Do you have melasma?
Have you had significant recent sun exposure?
Which laser are we considering?
And what treatment parameters make sense for your skin?
Is Middle Eastern skin more likely to pigment after laser?
I do not like treating “Middle Eastern skin” as though it were one skin type.
In the UAE and across the region, we see a very wide spectrum of skin tones.
Skin may be fair, olive, medium brown or dark.
Clinically, the Fitzpatrick Skin Type is sometimes used to help describe how skin responds to ultraviolet exposure, ranging from Type I to Type VI.
But Fitzpatrick type alone is not enough to choose a treatment.
What we do know is that skin with more melanin is generally at greater risk of developing post-inflammatory hyperpigmentation, or PIH, after inflammation or injury.
Laser treatment intentionally creates controlled thermal or photomechanical effects within the skin.
If that injury exceeds what the skin can tolerate, increased pigmentation can be one of the consequences.
This is why pigment-prone skin requires more careful treatment planning.
What is post-inflammatory hyperpigmentation?
PIH is pigmentation that develops after inflammation or injury to the skin.
It may occur after:
- acne,
- scratching or trauma,
- some chemical peels,
- burns,
- and occasionally laser or energy-based procedures.
Inflammation stimulates pathways that can increase pigment production, leaving a darker area after the original inflammation has settled.
PIH tends to be more common and may persist longer in darker skin tones.
A history of developing these marks is therefore useful information before choosing a laser treatment.
Does that mean laser is dangerous for darker skin?
No.
Saying that laser is “unsafe for dark skin” is too broad.
But saying that every modern laser is now safe for every skin tone is also inaccurate.
We have technologies that can be used across a range of skin types when the device, indication and settings are appropriate.
The margin for error, however, may be smaller in pigment-prone skin.
Experience in treating skin of colour therefore matters.
Does wavelength matter?
Yes, but wavelength is only one part of the treatment.
Different wavelengths interact differently with targets such as melanin, water and haemoglobin.
For example, 1064 nm Nd:YAG has important applications in darker skin because this wavelength can penetrate more deeply with relatively less absorption by superficial epidermal melanin than some shorter wavelengths.
But seeing “Nd:YAG” on a machine does not automatically make a treatment safe.
We also have to consider:
- fluence or energy,
- pulse duration,
- spot size,
- number of passes,
- cooling,
- treatment area,
- and the condition we are trying to treat.
All of these influence both outcome and risk.
What does “fractional laser” actually mean?
Fractional is not one type of laser.
Fractional devices create microscopic treatment zones while leaving intervening areas of skin untreated.
This changes the way the skin is injured and recovers compared with treating the entire surface.
But there are many types of fractional devices.
Some are ablative, including certain CO₂ and Er:YAG treatments.
Others are non-ablative, using different wavelengths and treatment depths.
They do not have the same recovery time, intensity or risk profile.
So when a patient tells me:
“I want fractional laser,”
my next question is:
What are we trying to treat?
Is laser useful for acne scars?
It can be an important part of acne-scar treatment, but “acne scars” includes several different problems.
We may see:
- rolling scars,
- boxcar scars,
- ice-pick scars,
- pigmentation,
- and persistent redness.
Pigment left behind after acne is not the same thing as a depressed scar.
Some scars may respond to fractional laser.
Others may require different procedures or combination treatment.
And post-acne pigmentation needs a different strategy from an actual loss of skin tissue.
The first useful distinction is therefore:
Scar or pigmentation?
Because they are not treated the same way.
Is laser a good treatment for pigmentation?
It depends entirely on the type of pigmentation.
Not every brown mark on the face has the same cause.
It could be:
- post-inflammatory pigmentation,
- solar lentigines,
- melasma,
- post-acne pigmentation,
- or another condition.
Some pigment problems respond well to selected laser or light-based treatments.
In others — particularly certain cases of PIH and melasma — excess heat or inflammation from an unsuitable treatment may make the pigmentation worse.
A 2024 systematic review of PIH treatment in skin of colour found that laser treatment can improve selected cases, but also documented the possibility of worsening pigmentation and highlighted the limitations of the evidence.
So I do not start from:
“You have pigmentation, therefore you need laser.”
First, we need to determine what type of pigmentation it is.
What about melasma?
Melasma deserves special caution.
It may look like a simple collection of extra pigment that we should be able to remove with a laser.
In reality, melasma is more complicated, and procedures that create heat or inflammation can sometimes trigger recurrence or worsening.
Laser is therefore not automatically the first treatment for every patient with melasma.
For many patients, treatment begins with identifying triggers, appropriate photoprotection and topical therapy before deciding whether a device-based treatment has a role.
Does everyone need to “prepare” their skin for weeks before laser?
No.
There is no universal pre-laser protocol.
Selected patients may benefit from topical treatment before particular procedures, especially when pigmentation risk is a concern.
But this does not mean that every patient should use a retinoid, kojic acid or hydroquinone for a fixed number of weeks before every laser session.
Preparation depends on:
- the diagnosis,
- the device,
- skin type,
- previous pigmentation,
- current skincare,
- and the condition of the skin barrier.
Sometimes the correct step before laser is actually to stop an irritating product rather than add another one.
For that reason, I would not copy a pre-laser routine from the internet and apply it without knowing which treatment you are having.
What about sun exposure in the UAE?
Ultraviolet exposure matters greatly when managing pigmentation.
For someone living in the UAE, I cannot separate a pigmentation treatment plan from daily sun exposure.
Photoprotection before and after many procedures is important, but this is not simply about applying a small amount of sunscreen once in the morning.
It also depends on:
- how much time you spend outdoors,
- driving and window exposure,
- reapplication when appropriate,
- and physical protection such as shade and hats during significant exposure.
And if your skin has recently tanned, your doctor should know before treatment.
Do I need a test spot?
Not every procedure requires a test spot.
But in selected patients it can be useful, particularly when the skin is highly reactive, there is a significant history of post-procedure pigmentation, or we want to assess the response to a particular device and set of parameters.
Reviews of laser treatment in skin of colour have recommended test spots in appropriate circumstances as one tool for reducing risk.
A test spot, however, is not a guarantee that complications cannot occur.
It is one part of risk assessment.
What should I expect after laser?
That depends entirely on the device and treatment intensity.
Some treatments may cause mild redness for several hours.
Others may produce:
- swelling,
- heat or stinging,
- peeling,
- superficial crusting,
- or a longer recovery period.
So when you ask:
“How much downtime will I have?”
we first need to know which laser treatment we are talking about.
There is no single recovery time for “laser.”
When might I postpone a laser session?
Treatment may need to be delayed in several situations, including active infection or inflammation in the treatment area, significant recent sun exposure or tanning, an irritated skin barrier, or other circumstances that make the timing inappropriate.
Certain medicines, medical conditions and previous procedures may also change the treatment plan.
That is why medical history matters before a laser session, not only the cosmetic concern.
The question is not: which laser is strongest?
Patients sometimes ask for:
“The strongest laser for scars.”
Or:
“The strongest machine for pigmentation.”
Strength is not the goal.
Higher energy can create more complications without necessarily creating a better result.
The appropriate treatment produces enough controlled effect to improve the target while maintaining an acceptable safety margin for that patient's skin.
This becomes especially important in pigment-prone skin.
So the question I prefer is:
What is the least aggressive treatment that can give this problem a meaningful improvement with an acceptable level of risk?
The bottom line
If you have olive, brown or darker skin — or if your skin regularly develops dark marks after acne or procedures — that does not mean you cannot have laser treatment.
It does mean that choosing a session based only on the name of a machine or a video you saw on Instagram is not a good treatment plan.
First, we need to establish:
What is the diagnosis?
How does your skin respond to inflammation?
What are we trying to change?
And which device and settings make sense for this particular skin?
With laser treatment, choosing the patient, device and parameters is not simply a technical detail.
It is part of the treatment itself.
Medical References
- Mar K, Khalid B, Maazi M, Ahmed R, Wang OJE, Khosravi-Hafshejani T. Treatment of Post-Inflammatory Hyperpigmentation in Skin of Colour: A Systematic Review. Journal of Cutaneous Medicine and Surgery. 2024;28(5):473–480.
- Review of Laser Treatments for Post-Inflammatory Hyperpigmentation in Skin of Color. Dermatologic Surgery. 2023. PMID: 36781686.
- Management of Post-inflammatory Hyperpigmentation in Skin of Color: A Short Review. Journal of Cosmetic Dermatology. 2022. PMID: 35289059.
- Advancements in Laser Therapies for Dermal Hyperpigmentation in Skin of Color. Review of device selection, test spots and pigment-related complications in darker phototypes.
Medical review: Dr. Hanadi Ibrahim
Physician with advanced training in aesthetic medicine, skin rejuvenation and aesthetic treatments in Sharjah, UAE.
This article is intended for general education and does not replace an individual medical assessment. Laser selection, treatment settings and suitability depend on diagnosis, skin type and individual medical history.
