Q-switched double-frequency Nd:YAG (532 nm) laser is an effective treatment for racial lip pigmentation

Introduction: Lip darkening is a relatively common condition, especially in the Middle East and Southeast Asia. It is well documented in the literature and generally considered to be multifactorial. The presentation can be physiologic or pathologic and caused by a variety of local or systemic factors. Case presentation: A 32-year-old female with skin type IV presented to the clinic with concerns of darkening lips with no associated symptoms or history of disease. On examination, her lips were homogenously dark brown with the upper lip slightly darker than the lower lip. Objective: To report effectivness of Q-switched 532 nm laser for treatment of lip pigmentation. Method: Topical 2.5% lidocaine/prilocaine (EMLA) cream was applied 30 minutes prior to laser therapy. The region was treated with Q-switched 532 nm laser (Medlite). Result: Two weeks after laser treatment, threre was satisfying subjective and objective improvment in lip pigmnetation. Conclusion: Q-Switched 532 nm laser effectively reduces lip pigmentation after one session with minimal adverse effects and lasting results.