Efektivitas dan Keamanan Injeksi Asam Traneksamat Intradermal sebagai Tata Laksana Ajuvan Melasma pada Individu Tipe Kulit IV – V: Uji Klinis Acak Terkontrol Tersamar Ganda = Effectiveness and Safety of Intradermal Tranexamic Acid Injection as an Adjunctive Treatment for Melasma in Individuals with Fitzpatrick Skin Types IV - V: A Double Blind Randomized Controlled Trial