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A prospective randomized controlled study of oral tranxenamic acid for the prevention of postinflammatory hyperpigmentation after Q-switched 532 Nd:YAG laser for solar lentigines

        Background: Solar lentigines are benign pigmented disorder caused by long term sun exposure. Q-switched 532-nm Nd-Yag laser is known as an effective treatment option for solar lentigines. However, the high incidence of postinflammatory hyperpigmentation is concerning especially in darker skin types. Tranexamic acid, which is plasmin inhibitor, is used to treat melasma by decreasing melanogenesis. In addition, it is also used for postinflammatory hyperpigmentation prevention.
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