Walking into a consultation with multiple device names already stuck in your head can feel more confusing than helpful. Clinic websites across Singapore mention pico laser, PicoSure, and PicoWay almost interchangeably, which leaves many people assuming they are three rival treatments competing for the same job. The relationship is closer to that of a category and the brands sitting inside it, and once that clicks, the marketing language becomes much easier to read.
Here is the simplest way to hold it in mind: Pico laser describes a class of technology defined by how quickly each pulse fires, while PicoSure and PicoWay are two specific machines built within that class. Comparing the category to one of its members is a little like comparing “hatchback” to a particular model of car. What follows is a plain look at how the technology works, where the two devices differ, and which factors tend to guide the choice in practice.
What “pico” refers to
Lasers are described partly by pulse duration, meaning how long each burst of energy lasts. Nanosecond devices deliver light in billionths of a second, while picosecond devices operate in trillionths. That much shorter pulse shifts more of the effect towards photomechanical action, so pigment particles are broken apart by rapid pressure waves with comparatively less heat spreading into the surrounding tissue1. Lower thermal spread or what is known as less photothermal effect is the reason these devices attracted interest for darker skin types, where excess heat can trigger unwanted pigment changes.
A systematic review of picosecond devices in dermatology found reasonable supporting evidence for tattoo clearance and for several benign pigmented lesions, alongside emerging data for acne scarring and skin texture2. The same review noted that outcomes vary considerably with settings, number of sessions, and the lesion being treated, which is a useful reminder that the device name on the brochure tells you very little on its own.
PicoSure: The 755 nm approach
PicoSure was the first picosecond system to reach the market and is built around a 755 nm alexandrite wavelength. That wavelength is absorbed well by melanin and by certain stubborn ink colours namely green, and it has been studied in Asian patients for lentigines and other superficial pigmented lesions3. Newer configurations in the family add 532 nm and 1064 nm handpiece options, which widens the range of concerns a single platform can address.
The system is also known for a focused lens array that concentrates energy into small high-intensity zones across the skin surface. Clinics often use this setting when the goal leans towards texture and overall skin quality instead of a single dark spot.
PicoWay: Multiple wavelengths as standard
PicoWay is built on an Nd:YAG platform and offers 1064 nm, 532 nm, 785 nm and 730 nm wavelengths, with fractional 532nm and 1064nm handpieces for texture work. Having 1064 nm available as a core wavelength is practically useful in Singapore, since deeper dermal pigment and melasma often respond better to a wavelength that penetrates further while depositing less energy in the upper layers. Research on dual-wavelength picosecond treatment in Asian skin reported acceptable tolerability for benign pigmented lesions when settings were chosen conservatively4.
Its pulse durations are shorter than those of the alexandrite system, which sounds like a straightforward advantage in a specification sheet. Clinically, the practical differences between the two platforms are smaller than the marketing suggests, and the operator’s judgement carries far more weight than the badge on the machine.
Side by side
| PicoSure | PicoWay | |
| Core wavelength | 755 nm alexandrite | 1064 nm Nd:YAG |
| Additional wavelengths | 532 nm and 1064 nm on newer models | 532 nm, 730 nm, and 785 nm |
| Texture handpiece | Focus lens array | Resolve fractional |
| Commonly used for | Superficial and dermal pigmentation, greenish, and blue ink | Melasma, epidermal and dermal pigmentation, mixed ink colours |
| Note | Longer clinical track record | Wider wavelength choice as standard |
Why the operator counts more than the brand
Two clinics can own the same machine and produce very different experiences, because almost everything sits in the settings. Fluence, spot size, pass count, and treatment interval are all decided by the doctor and their experience in assessing your skin, and those decisions depend on your Fitzpatrick skin type, the depth of the pigment, any history of post-inflammatory darkening, and what you are taking or applying at the time.
Diagnosis comes before device selection. Freckles, solar lentigines, melasma, and post-inflammatory marks can look similar in a mirror yet respond quite differently to light-based treatment. Melasma in particular tends to be a long-term condition that needs maintenance and sun discipline alongside any in-clinic sessions. Understanding why your hyperpigmentation won’t fade often reveals that daily UV exposure or a hormonal driver keeps feeding the pigmentation whilst treatment is underway.
Singapore makes that point harder to ignore. Sitting close to the equator, the country records consistently high ultraviolet readings through the year, as tracked by the National Environment Agency. Without daily sun protection, pigment that has been cleared has a habit of returning.
Questions to ask at your consultation
A short list keeps the conversation focused on your skin instead of the equipment:
- What have you diagnosed my pigmentation as, and how confident are you?
- Which wavelength do you plan to use on me, and why that one?
- How many sessions would you estimate before we review progress?
- What downtime and side effects should I plan around?
- What happens if my skin responds poorly after the first session?
It also helps to check that the equipment being used is registered for supply here. Medium and higher-risk medical devices must be registered with the Health Sciences Authority before they can be supplied in Singapore, which is a reasonable baseline to expect from any clinic.
Managing expectations sensibly
Neither platform is a single-session fix, and neither suits every skin concern. Results build across a course of treatment, some conditions need ongoing maintenance, and a few types of pigmentation respond better to topical or oral treatment first. A doctor who explains what a device cannot do is usually giving you a more accurate picture than one who promises a transformation.
Conclusion
Choosing between brand names is far less useful than getting an accurate diagnosis and a treatment plan matched to your skin. At Angeline Yong Dermatology, Dr Angeline Yong assesses pigmentation, scarring, and tattoo concerns before recommending any laser or non-laser option, drawing on a range of treatments available at the clinic. Book a consultation to discuss what suits your skin and your schedule.
References
Torbeck, R. L., Schilling, L., Khorasani, H., Dover, J. S., Arndt, K. A., & Saedi, N. (2019). Evolution of the Picosecond Laser: A Review of Literature. Dermatologic surgery : official publication for American Society for Dermatologic Surgery [et al.], 45(2), 183–194. https://doi.org/10.1097/DSS.0000000000001697
Wu, D. C., Goldman, M. P., Wat, H., & Chan, H. H. L. (2021). A Systematic Review of Picosecond Laser in Dermatology: Evidence and Recommendations. Lasers in surgery and medicine, 53(1), 9–49. https://doi.org/10.1002/lsm.23244
Chan, J. C., Shek, S. Y., Kono, T., Yeung, C. K., & Chan, H. H. (2016). A retrospective analysis on the management of pigmented lesions using a picosecond 755-nm alexandrite laser in Asians. Lasers in surgery and medicine, 48(1), 23–29. https://doi.org/10.1002/lsm.22443
Kung, K. Y., Shek, S. Y., Yeung, C. K., & Chan, H. H. (2019). Evaluation of the safety and efficacy of the dual wavelength picosecond laser for the treatment of benign pigmented lesions in Asians. Lasers in surgery and medicine, 51(1), 14–22. https://doi.org/10.1002/lsm.23028