Tranexamic acid is a synthetic derivative of the amino acid lysine. It is used to treat or prevent excessive blood loss during surgery and in various other medical conditions. It is anantifibrinolytic that competitively inhibits the activation of plasminogen to plasmin, by binding to specific sites of both plasminogen and plasmin, a molecule responsible for the degradation of fibrin, a protein that forms the framework of blood clots. Lyphar Biotech supply Tranexamic acid with 99% purity. It mainly has 2 functions: 1. It used to control bleeding in a number of different conditions by stopping the clots from breaking down; 2. Itâ??s claimed to have whitening effects especially for ultraviolet-induced hyperpigmentation including melasma.