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ORIGINAL ARTICLE
Year : 2020  |  Volume : 24  |  Issue : 1  |  Page : 47-50

Hypopigmented macules following quality-switched 1064 nm laser hair removal: A retrospective study


1 Department of Dermatology, College of Medicine, Imam Mohammad Ibn Saud Islamic University, Riyadh, Saudi Arabia
2 Derma Clinic, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
3 Division of Dermatology, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia

Correspondence Address:
Dr. Ibrahim A ALOmair
Department of Dermatology, College of Medicine, Imam Mohammad Ibn Saud Islamic University, P O Box 7544, Riyadh 13317-4233
Saudi Arabia
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jdds.jdds_51_19

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Introduction: Laser hair removal (LHR) is a common procedure in dermatology. LHR using quality-switched (QS) 1064-nm neodymium-doped yttrium aluminum garnet (Nd:YAG) is very popular in our community despite lack of sufficient evidence on its efficacy and safety. Purpose: We report the characteristics of nine patients who developed hypopigmented macules after being treated with QS 1064 nm laser for hair removal. Methods: This was a retrospective study at a laser center in Saudi Arabia conducted between June 2014 and September 2018. Patients who developed white macules following treatment with QS 1064 nm Nd:YAG laser for removal of unwanted hair were included in the study. Results: All patients were Saudi females with a mean age of 28.8 years (range: 25–37 years). Well-defined hypopigmented to depigmented 1–3 mm macules developed after being treated with QS 1064 nm Nd:YAG laser for hair removal. The most commonly affected area was the face. Majority of patients had skin phototype IV. Hypopigmented macules developed after an average of 22 laser sessions (range: 4–48 sessions). None of the patients had either personal or family history of vitiligo. Lesions seem to be difficult to treat, with only two patients responding to topical tacrolimus and excimer laser. Conclusion: Hypopigmented macules might develop after QS 1064 nm LHR. Those macules appear to be resistant to treatment. Further prospective controlled studies needed to elaborate more on the safety profile of this procedure.


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