Laser

Picosecond Spot

High-energy picosecond for pigmented lesion removal

Duration

15-30 min

Downtime

2-3 days

Sessions

1-3 sessions (6-8 wk intervals)

About This Treatment

Picosecond spot uses focused high-energy picosecond laser to efficiently remove pigmented lesions (nevus of Ota, lentigines, etc.). Superior melanin shattering efficiency versus nanosecond lasers, particularly for deep pigmented lesions.

Mechanism of Action

High-energy picosecond pulses (5-10J/cm²) focused on pigment create intense photoacoustic pressure waves fragmenting pigment to micro-particles. Deep melanin shattering efficiency is high; removal often possible in 1-2 sessions.

Indications

General indication (see detailed description)Pigmentation / dullnessTattoo removal

Expected Results

80-95% improvement in 1-2 sessions. Difficult lesions (nevus of Ota) significantly improved in 2-3 sessions.

Clinical Evidence

Hartman Z, Rathod DB, Husain Z (2016)

Picosecond-domain laser treatment of pigmented lesions. Semin Cutan Med Surg

Clinical improvement was reported in this study (see original paper for details).

Ohshiro T, Yamamoto T (2016)

Selective photothermolysis at picosecond domain. Lasers Surg Med

Clinical improvement was reported in this study (see original paper for details).

Risks & Side Effects

Transient redness/swelling (2-3 days), rare PIH. Deep lesions may form crusts with repeated passes.

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