Comparison of Intralesional Tranexamic Acid and Platelets Rich Plasma in the Treatment of Melasma

Group A 30 patients treated with Intradermal Tranexamic acid injection (4mg/ml) for preparation an insulin syringe was used with a volume of 1ml containing 0.04 ml of TXA and the reminder being normal saline to ensure 4mg preparation in each insulin syringe

Group B 30 patients prescribed with PRP (1ml) intra-dermally PRP was obtained manually by a two-step procedure using a centrifuge machine. First spin was performed at 1500 RPM for 10 minutes. Second spin was performed at 4000 RPM for 10 minutes. Thus, obtaining a two-part plasma. Upper two third was platelet poor plasma and was discarded. Lower one third was platelets rich plasma. Before injection applying 0.1 ml calcium chloride was added for each 1 ml of PRP to activate the platelets. PRP was injected 1 ml by using 30 G needle (insulin syringe) in each cm2 of melasma.