Laser

Vascular Laser (PDL/Nd:YAG)

PDL/Nd:YAG for vascular lesions and rosacea

Duration

20-40 min

Downtime

1-2 weeks間

Sessions

3-6 sessions (3-4 wk intervals)

About This Treatment

PDL (585-595nm) and Nd:YAG (1064nm) are selectively absorbed by oxyhemoglobin in blood vessels, highly effective for telangiectasia, facial redness, and rosacea. PDL targets superficial vessels; Nd:YAG reaches deeper vasculature. Selection depends on lesion depth.

Mechanism of Action

PDL yellow light (585-595nm) absorbed by oxyhemoglobin causes localized heating and thrombosis within vessel. Vessel wall thermal coagulation leads to gradual closure and disappearance. Nd:YAG reaches deeper vessels with similar coagulation effect.

Indications

Redness / vascular concernsGeneral indication (see detailed description)

Expected Results

60-85% redness improvement in 3-6 sessions. 70-90% telangiectasia improvement in 3-4 sessions. Rosacea manageable with maintenance.

Clinical Evidence

Tanghetti EA (2012)

Split-face comparison of pulsed dye laser and long-pulsed Nd:YAG for vascular lesions. Dermatol Surg

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

Bernstein EF, Kligman AM (2008)

Vascular laser and light source treatments for rosacea and telangiectasia. J Cosmet Dermatol

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

Risks & Side Effects

Purpura (1-2 weeks resolution). Rare PIH. Deep vessel treatment more painful. Mitigated with cooling and topical anesthesia.

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