If you’ve spent any time outdoors in Sydney’s harsh UV climate, you’ve likely noticed the results on your skin — sun spots, freckles, and patches of uneven tone that seem to appear (and darken) year after year. While these marks are usually harmless, many people want a safe, effective way to fade them and restore a more even, radiant complexion.

At our clinic in Sydney CBD, one of the most popular treatments we offer for pigmentation concerns is PicoSure Pro, a next-generation picosecond laser designed to target unwanted pigment with precision and minimal downtime. In this article, we’ll explain what sun spots and freckles actually are, how PicoSure Pro works at a technical level, and what you can expect from treatment.
What Causes Sun Spots, Freckles and Uneven Skin Tone?
Sun spots (also called solar lentigines) and freckles form when skin cells called melanocytes produce excess melanin in response to UV exposure. Over time, repeated sun exposure — even without visible sunburn — causes melanin to cluster in certain areas, creating flat, darker patches on the face, chest, hands and shoulders.

Uneven skin tone can also result from a combination of factors, including:
- Cumulative UV damage
- Hormonal changes
- Post-inflammatory pigmentation (from acne, injury or irritation)
- Natural ageing of the skin
Because these pigment particles sit within the skin rather than on its surface, topical creams and exfoliants often produce limited results. This is where laser technology like PicoSure Pro becomes far more effective.
What Is PicoSure Pro?
PicoSure Pro is an advanced picosecond laser system, meaning it delivers energy in ultra-short pulses measured in trillionths of a second — far faster than traditional nanosecond lasers used for pigmentation treatment.
This speed matters because it changes how the laser interacts with pigment in the skin. Rather than relying primarily on heat to break down melanin (which can cause more thermal damage to surrounding tissue), PicoSure Pro uses a photomechanical (or “photoacoustic”) effect — the laser energy shatters pigment particles into extremely small fragments through rapid pressure changes, not heat alone.
How Does PicoSure Pro Actually Work on Sun Spots and Freckles?
Here’s a simplified breakdown of the process:

- Targeting pigment: The laser is calibrated to a wavelength that is selectively absorbed by melanin, the pigment responsible for sun spots and freckles, while largely sparing surrounding healthy skin.
- Ultra-short pulses: Because the energy is delivered in picoseconds, it fractures pigment clusters into much finer particles than older laser technologies can achieve.
- Focus lens array (if used): Many PicoSure Pro treatments incorporate a focus lens array, which concentrates energy into an array of tiny high-intensity zones. This is thought to stimulate the skin’s natural collagen and elastin production alongside pigment clearance, supporting overall skin texture and tone.
- Natural clearance: Once pigment is broken down into micro-particles, the body’s lymphatic system gradually clears them away over the following days and weeks, allowing spots to visibly fade.
Because the fragments produced by picosecond technology are so fine, this process tends to be more efficient and requires less thermal energy than older Q-switched lasers — which can translate to a more comfortable treatment experience and shorter recovery time.
What to Expect During and After Treatment
Every skin type and pigmentation concern is different, so results and treatment plans vary from person to person. In general, clients can expect:

- A quick session: Most treatments for facial pigmentation take between 15–30 minutes, depending on the area treated.
- Mild sensation: Many people describe the feeling as a light snapping or tingling sensation on the skin.
- Minimal downtime: Some redness or a darkening of treated spots (as pigment rises to the surface before shedding) is common in the days following treatment.
- Gradual fading: Visible improvement typically develops over the following weeks as the body clears the broken-down pigment.
- Multiple sessions: Depending on the depth and density of pigmentation, a course of treatments is often recommended for optimal results.
Your practitioner will assess your skin during a consultation and tailor a treatment plan to your specific concerns and skin type.
Why Consider PicoSure Pro Over Other Pigmentation Treatments?

There are several pigmentation treatments available — from chemical peels to IPL to other laser systems. PicoSure Pro is often chosen because:
- Its picosecond technology is designed to work with less heat, which may reduce the risk of certain side effects compared to older technologies.
- It can address a broad range of concerns, including sun spots, freckles, and general skin tone irregularities, often in the same treatment plan.
- Sessions are typically short with a relatively quick return to normal activities.
That said, no two clients are the same, and the right treatment depends on your skin type, the depth of pigmentation, and your goals — which is why a proper consultation is essential before starting any laser treatment.
Is PicoSure Pro Right for You?
If you’ve been struggling with sun spots, freckles, or uneven skin tone that hasn’t responded to skincare alone, PicoSure Pro may be worth exploring. It’s important to have your skin assessed by a qualified practitioner, as pigmentation can sometimes be a sign of other skin conditions that require a different approach.

Body Contouring at Stasis Clinic in Sydney CBD

Stasis Laser & Dermal Clinic is located in Haymarket, in the heart of Sydney CBD. The clinic provides technology-based aesthetic and body treatments with personalised treatment planning.
Book a consultation with our team in Sydney CBD to find out whether PicoSure Pro is suitable for your skin, and to receive a personalised treatment plan designed around your goals.



