Laser for pigmentation: which type suits your skin?

What type of pigmentation do you have?

Pigmentation is a description, not a diagnosis. Hyperpigmentation simply means some areas of skin are darker than others because of extra melanin, the substance that gives skin its colour, and Cleveland Clinic lists many different causes.

• Sun spots and age spots: spots caused by sun damage, often called solar lentigines. They appear where the sun hits most, such as the face and hands.
• Post-inflammatory hyperpigmentation (PIH): dark marks left after an injury to the skin, such as acne, cuts or burns.
• Freckles: these can run in families. Melasma spots are sometimes mistaken for freckles, but they are not the same condition.
• Melasma: brown or blue-grey patches, often on the cheeks, forehead, nose, chin and above the upper lip. Women are much more likely to get it, and pregnancy, birth control pills and hormones are among the risk factors. Sunlight can darken existing patches and trigger new ones.

Depth matters too. Cleveland Clinic describes epidermal (nearer the surface), dermal (deeper) and mixed melasma, and notes that dermal melasma doesn’t respond well to treatment. A dermatologist may use a Wood’s lamp or a dermatoscope to see how deep the pigment reaches.

Have any new or changing spot checked by a doctor before cosmetic treatment. The American Academy of Dermatology (AAD) warns that what looks like an age spot could be skin cancer, and fading a skin cancer with a cosmetic treatment can give it time to grow.

What are the main types of laser for pigmentation?

The main options are pigment lasers, ablative resurfacing lasers, fractional lasers and intense pulsed light (IPL), which is a light treatment rather than a true laser. Each has a different job, recovery and risk profile.

Pigment lasers, including pico laser

What it is: lasers aimed at pigment itself. Cleveland Clinic lists “pigmented lesion laser” among treatments for hyperpigmentation. Westwood’s pico laser treatment page describes pico laser as delivering ultra-short pulses of laser energy, aimed at concerns that include pigmentation.

What it may help: age spots and some dark spots. The AAD says pigment lasers can be used at gentler settings with little downtime over more sessions, or at stronger settings with more downtime and fewer sessions. For melasma, Cleveland Clinic lists low-fluence (low-energy) Q-switched lasers among the light-based options a dermatologist may add.

Who it suits less: anyone whose spot hasn’t been diagnosed, and people with melasma or PIH who haven’t discussed the risk of darker marks afterwards.

Ablative resurfacing lasers (CO2 and erbium)

What it is: CO2 and erbium are the two main resurfacing lasers. They remove the outer layer of skin, layer by layer, and heat the layer underneath.

What it may help: Cleveland Clinic lists uneven pigmentation, age spots and sun-damaged skin among the concerns resurfacing can address, alongside scars and fine lines.

Who it suits less: darker skin tones have a greater risk of healing with darker pigmentation, and Cleveland Clinic lists very dark skin and active acne among reasons someone may not be a good candidate. It also notes that erbium causes fewer side effects than CO2 and may be a good choice for darker skin.

Fractional lasers

What it is: fractional CO2 treats many narrow columns of skin and leaves the skin around them intact. Non-ablative fractionated lasers are a separate, non-resurfacing option.

What it may help: fractional CO2 is a form of resurfacing, so it is used for similar concerns. Cleveland Clinic lists non-ablative fractionated lasers among the light-based options for melasma.

Who it suits less: because fractional CO2 reaches deeper than other lasers, Cleveland Clinic notes a greater risk of complicated healing and scarring.

Intense pulsed light (IPL)

What it is: a light-based treatment that is often compared with lasers. The AAD notes that light therapy is not considered a true laser.

What it may help: dermatologists use it for concerns from redness to sun damage, and Cleveland Clinic lists it among the light-based options for melasma.

Who it suits less: being on that list doesn’t make it a first treatment for melasma. Ask why it is proposed for your skin and what else would go with it.

What about diode laser and LED?

Neither is a main pigmentation laser. Malaysia’s Ministry of Health lists diode among lasers for hair removal, separately from lasers for treating skin pigmentation. LED (light-emitting diode) light therapy is a non-laser light treatment, and the uses Cleveland Clinic lists for it are concerns such as acne, fine lines and psoriasis, not pigmentation.

Which laser suits which pigmentation?

The pigment should be diagnosed before a laser or light treatment is chosen. Use this table as a list of options to discuss with your doctor, not a prescription.

Is laser safe for melasma?

Laser is an add-on for melasma, not the first or only treatment, and it carries a real risk of making pigment darker. The AAD says treatment usually begins with sun protection and creams, and that there is no one best treatment for melasma.

A few studies found that adding a laser or light treatment can improve results for people who are already using medication on their skin and protecting it from the sun, according to the AAD. Cleveland Clinic warns that chemical peels and lasers can cause post-procedure hyperpigmentation and scarring in melasma, and should be used only by specialists experienced in treating it, together with topical medicines.

Keep expectations realistic:

• Treatment can fade melasma, but it cannot make it go away forever. It commonly returns with unprotected sun exposure (AAD).
• Some melasma treatments can irritate darker skin and make melasma darker, and results usually take longer with a dark skin tone (AAD).
• Cleveland Clinic says there is currently no way to remove dermal (deep) pigment.
• When you follow a treatment plan, results usually take 3 to 12 months to show, and longer if you’ve had melasma for a long time (AAD).

If you’re pregnant, the AAD advises waiting until after the baby is born to treat melasma, because it may improve or even go away after birth.

Is laser safe for darker or Asian skin tones?

Lasers can be used on all skin types, but the AAD says darker skin is more prone to burns and dark marks after laser treatment. That’s why the type of laser, the settings and the preparation matter, and why the AAD advises working with a doctor experienced in treating darker skin with lasers.

PIH means darkening that follows inflammation or injury. The AAD says that once the cause is found and stopped, a spot a few shades darker than your natural skin usually fades within 6 to 12 months, while colour that lies deep in the skin can take years. Treatment can speed up fading.

The AAD also notes that the results of a laser procedure depend largely on the skill of the person performing it. Tell your doctor how easily your skin darkens after pimples, cuts or sun, and ask what they would do if pigment worsened after treatment.

Pico laser or CO2 laser for pigmentation?

They do different jobs. Pico laser is aimed mainly at pigment, while CO2 is a resurfacing laser that removes the outer layer of skin and can treat texture, such as scars and fine lines, as well as uneven pigment.

With lasers that target pigment, the AAD describes a choice between gentler settings over more sessions and stronger settings with more downtime. CO2 resurfacing has a recovery time of up to two weeks, according to Cleveland Clinic, and darker skin has a greater risk of healing with darker pigmentation. Neither option is automatically right; the choice depends on your diagnosis, skin tone and how much recovery time you can accept. For the deeper dive, read about pico laser for pigmentation and scars.

How many laser sessions will I need, and how long do results last?

It depends on the type of pigment, how deep it sits and the laser used. The AAD says one or two laser treatments can treat age spots, with longer-lasting results than creams; melasma and deeper pigment usually take longer and can return.

Pigment can come back after any treatment. The AAD notes that age spots can return and that sun protection helps prevent this, and Cleveland Clinic says new spots can appear over time, especially without sun protection. Ask your doctor how progress will be reviewed and what would change the plan.

What are the side effects of laser for pigmentation?

Side effects depend on the laser and your skin. These are the ones the AAD and Cleveland Clinic describe:

• Crusting or temporary darkening of age spots after pigment laser, which tends to fade quickly.
• Burns or dark marks, which darker skin is more prone to.
• Redness, swelling, itching or stinging after resurfacing; the pink colour can take months to fade.
• Darker patches after resurfacing and, more rarely, lighter patches.
• Small white bumps (milia), reactivated cold sores or, very rarely, scarring after resurfacing.

Contact the clinic if a reaction gets worse, doesn’t settle as expected or worries you. Don’t pick at crusts, as Cleveland Clinic warns this can cause scarring or infection.

How should I prepare for and care for my skin after laser?

Avoid getting a tan, and protect your skin with shade, clothing and a broad-spectrum, water-resistant sunscreen with SPF 30 or higher. Tell your doctor about all your skin products, medicines and supplements, as you may need to stop some products such as topical retinoids before treatment. Choose gentle skin care, since products that burn or sting can darken dark spots, and if you have melasma ask about a tinted sunscreen with iron oxide, which the AAD recommends because visible light can worsen it. For the full routine, read our guide to caring for your skin after laser pigmentation treatment.

What affects the cost of laser for pigmentation in Malaysia?

Cost depends on the type of pigment, the size of the area, the type of laser or light treatment, the number of sessions advised, any prescription creams used alongside it and the skin assessment.

Ask for the full proposed plan and what each part covers before you agree. Comparing plans tells you more than comparing treatment names, and it helps to know whether follow-up sessions would need a fresh decision.

So, which laser is right for your pigmentation?

The right laser is the one that matches your type of pigment and your skin, and for melasma and darker skin tones that means extra caution. Sun protection is part of every plan, before and after treatment, and an assessment comes before any laser. If you’re still deciding who to see, read our guide to choosing a skin specialist for pigmentation, or book a skin assessment at Westwood Clinic to talk through your options.