Picosecond vs nanosecond laser: which one should you choose for tattoo removal?

Picosecond or nanosecond laser: which technology is best for effective tattoo removal?

Matis Coppet
Rédacteur

Laser tattoo removal has seen major advancements in recent years. But when faced with two leading technologies—picosecond and nanosecond (Q-switched) lasers—it’s natural to wonder: what’s the difference? And more importantly, which one is most effective for removing a tattoo? Here’s a clear breakdown.

Nanosecond laser: the former standard

The Q-switched (nanosecond) laser was long considered the reference for tattoo removal. It delivers ultra-short pulses in the nanosecond range (10⁻⁹ seconds) to break down tattoo pigments.

It is still used in some clinics because:

  • It can be effective on black or less dense tattoos
  • It is generally more affordable
  • It can produce results, but often requires many sessions

However, it has limitations:

  • Less effective on colored inks
  • Requires more sessions overall
  • Side effects (redness, scabbing, hyperpigmentation) are more common

Picosecond laser: advanced technology

Picosecond laser represents the most advanced generation in tattoo removal. It delivers even shorter pulses (10⁻¹² seconds), allowing pigments to be fragmented more finely and efficiently.

Its advantages include:

  • Faster results with fewer sessions
  • Better effectiveness on colored and resistant inks
  • Less impact on surrounding skin, reducing the risk of scarring and visible side effects

Which laser should you choose?

The choice depends on several factors: tattoo type, colors, depth, and location. However, in most cases, picosecond laser offers greater safety, faster results, and better overall outcomes.

Conclusion

Picosecond laser is now considered the premium standard for tattoo removal. More precise, faster, and gentler on the skin, it delivers superior results across a wide range of tattoos.

If you’re considering tattoo removal, a personalized assessment with experienced skin therapists is essential to determine the most suitable approach.

FAQ

How does a picosecond laser work?

It is not the laser itself that removes the ink, but rather the body, more specifically the lymphatic system, a natural cleansing network that eliminates what the body no longer needs. These lymphatic vessels are very narrow. The ink particles that make up a tattoo are larger, which is why they remain in the body. To remove them, they must first be broken down—much like a pickaxe gradually breaking apart rock. This “pickaxe” is the laser. It fragments the ink particles into much smaller pieces, allowing the lymphatic system to eliminate them naturally.

Are picosecond lasers more effective than nanosecond lasers?

According to several scientific studies, picosecond lasers are demonstrably more effective than nanosecond lasers. They are 30%* more effective in terms of tattoo removal results, regardless of color, and reduce the risk of side effects by 20%**.

In terms of patient experience, they are also less painful: patients at Ray studios report a pain level of 4/10 compared to 6.6/10 for nanosecond treatments***.

To ensure optimal results, Ray studios exclusively uses picosecond lasers.

* British Journal of Dermatology, Volume 176, Issue 2, 1 February 2017, Pages 457–464
** Prospective Comparison Study of 532/1064 nm Picosecond Laser vs 532/1064 nm Nanosecond Laser
*** Lapidoth & Akerman, 2007 – Pain inhibition in Q‐switched laser tattoo removal with pneumatic skin flattening (PSF)

Why do you use picosecond lasers?

We use this technology because it is currently the most advanced for tattoo removal. Picosecond lasers deliver ultra-short pulses that precisely and finely target pigments without damaging the surrounding skin. This high level of precision makes the treatment both more effective and more protective for the skin, when performed by experienced skin therapists.