What Is a Pico Laser? How Picosecond Laser Treatment Works

If you have seen the words PicoSure, PicoWay, PicoLazer or simply “pico laser,” it is easy to assume they all mean the same thing. They do not. Picosecond technology is a category of laser delivery. The clinical effect still depends on wavelength, pulse characteristics, spot size, fluence, optics, the target being treated and the patient’s skin.

How Does a Pico Laser Work?

Laser energy is absorbed by a target in the skin, such as pigment or tattoo ink. Because picosecond pulses are extremely brief, they can generate a rapid pressure or photoacoustic effect that helps break the target into smaller particles. The body then clears those particles gradually.

That does not mean pico lasers create “no heat.” Laser-tissue interaction can still include thermal effects. A more accurate distinction is that many picosecond treatments rely heavily on very short, high-peak-power pulses and can reduce prolonged heat exposure compared with some longer-pulse approaches.

With specialized fractional lenses or optics, picosecond systems can also create tiny zones of optical breakdown beneath the surface. Those controlled micro-injuries can stimulate remodeling and are one reason certain picosecond platforms are used for acne scars, wrinkles and texture.

What Can Pico Lasers Treat?

The answer depends on the specific device and its regulatory clearance. Picosecond lasers are widely used in dermatology for tattoo removal and selected pigment concerns. Certain platforms and fractional optics are also cleared or studied for acne scars, wrinkles and skin revitalization.

Why Are There Different Pico Lasers?

“Picosecond” tells you how quickly the energy is delivered. It does not tell you the wavelength or what the device is cleared to treat.

For example, PicoSure Pro uses a 755 nm picosecond wavelength and has additional delivery options. Other platforms use 1064 nm, 532 nm or combinations of wavelengths. Those differences matter because various colors of pigment and tattoo ink absorb different wavelengths differently.

For a patient, the practical question is not simply “Is this a pico laser?” It is: Which platform, wavelength and treatment mode are being used for my specific concern and skin type?

Is Pico Better Than a Traditional Nanosecond Laser?

Not automatically. A 2025 systematic review and meta-analysis comparing picosecond and nanosecond lasers found broadly comparable clearance for endogenous hyperpigmentation across the included studies, while picosecond systems showed an advantage in some exogenous pigment outcomes such as tattoos. Treatment performance still depends on the indication, wavelength and protocol.

This is useful because it cuts through a common marketing claim: shorter pulse duration does not make every pico device universally “better” for every condition.

Pico Laser vs. IPL

IPL photofacial and pico laser are different technologies. IPL uses broad-spectrum light rather than a single laser wavelength and is commonly used for selected redness and superficial pigment concerns. Pico lasers use specific laser wavelengths and extremely short pulses.

Neither is automatically superior. The better fit depends on whether the main problem is pigment, redness, texture, tattoo ink, skin tone, prior treatment history and the specific device available.

Pico Laser vs. Fractional Resurfacing

Ablative and nonablative fractional resurfacing treatments are generally chosen when texture, wrinkles or scars are the primary problem and a stronger remodeling effect is desired. Pico treatments can also address texture when fractional optics are used, but the mechanism and recovery profile are different.

For deeper texture concerns, see the broader skin resurfacing treatment options rather than assuming a pico laser is automatically the right tool.

Does Pico Laser Have Downtime?

Usually less than aggressive ablative resurfacing, but “zero downtime” is too absolute. Depending on the indication and settings, temporary redness, swelling, tenderness, darkening of treated pigment, crusting or pinpoint marks can occur.

Fractional acne-scar treatments may create a different recovery pattern from a light pigment session. Tattoo-removal settings can also produce a very different skin response. Your expected recovery should therefore be based on the exact treatment mode, not the word “pico.”

What Are the Risks?

Picosecond lasers are medical energy devices and are not risk-free. Potential adverse effects include temporary redness and swelling, post-inflammatory hyperpigmentation, hypopigmentation, blistering, burns, infection or scarring. Eye protection is required during laser treatment.

Risk depends on the device, wavelength, fluence, skin type, recent sun exposure, diagnosis and operator technique. People with darker skin tones can be treated with some picosecond platforms, but settings and indication selection matter.

How Many Pico Laser Sessions Do You Need?

There is no universal number. A small benign pigmented lesion, a tattoo, melasma and acne scars are four very different treatment problems.

Published acne-scar studies frequently use a treatment series rather than a single session. Tattoo removal often requires multiple visits. Some discrete pigment concerns may improve faster. The correct treatment plan depends on the target and how the skin responds after each session.

Who Is a Good Candidate?

A good candidate is someone whose concern has first been correctly identified and whose skin type, recent sun exposure, medications and treatment history allow an appropriate laser plan.

Patients with active infection, open wounds, significant recent tanning or certain photosensitizing medications may need treatment postponed or modified. Melasma deserves particular caution because inappropriate energy can aggravate pigmentation in some patients.

Which Pico Lasers Does Skin Works Use?

Skin Works uses professional picosecond platforms including PicoSure Pro and PicoLazer. The treatment platform and settings are selected according to the target, skin tone and treatment goal.

If you are researching treatment rather than just the technology, the Pico Laser service page covers candidacy, treatment areas, current pricing and booking. For a deeper discussion of clinical evidence, safety and results, see our Pico Laser expert guide.

Frequently Asked Questions