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  • Title: Low-fluence 1,064-nm laser hair reduction for pseudofolliculitis barbae in skin types IV, V, and VI.
    Author: Schulze R, Meehan KJ, Lopez A, Sweeney K, Winstanley D, Apruzzese W, Victor Ross E.
    Journal: Dermatol Surg; 2009 Jan; 35(1):98-107. PubMed ID: 19076188.
    Abstract:
    PURPOSE: To evaluate the efficacy of a 1,064-nm neodymium-doped yttrium aluminium garnet (Nd:YAG) laser using lower than traditional fluences (22-40 J/cm(2)) for treatment of pseudofolliculitis barbae (PFB). METHODS: Twenty-two patients with PFB refractory to conservative therapy received five weekly treatments over the anterior neck using a 1,064-nm Nd:YAG laser at 12 J/cm(2). Pulse duration was 20 ms with 10 mm spot size. Topical anesthesia was not used. Treatments were completed 15 minutes after patient arrival. Patients presented for 2- and 4-week follow-up. Ten evaluators used a Global Assessment Scale (GAS) to assess dyspigmentation, papule counts, and cobblestoning by comparing baseline to 4-week follow-up visit photographs. Hair and papule counts were performed on five patients and compared with the GAS. Investigators recorded adverse effects using a visual analog and side effects scale. RESULTS: Eleven patients demonstrated 83% improvement on the GAS (p<.01). There was a mean reduction of 59.5% in dyspigmentation (p<.03), 91.2% in papule count (p<.01), and 75.6% in cobblestoning (p<.02). Patients reported 1 out of 10 on both adverse effects scales. CONCLUSION: Low-fluence 1,064-nm laser treatment achieved significant temporary reduction in PFB. Subjects noted minimal pain without topical anesthesia.
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