Toucetin (tranexamic acid) is useful in the treatment of melasma. Tranexamic acid may help lighten spots by inhibiting melanin formation. Tranexamic acid is an anti-bleeding agent. It can be used for bleeding disorders caused by local or systemic hyperfibrinolysis. Local bleeding such as pulmonary hemorrhage, renal hemorrhage, and nasal hemorrhage. Systemic bleeding disorders such as leukemia and purpura. In recent years its been used in the treatment of melasma, because tranexamic acid drug can achieve the effect of controlling hyperpigmentation and pigmentation. However, it is important to note that not everyone with melasma is suitable for this medication. Tranexamic acid is not recommended if you have thrombophilia or coagulation disorders. The amount of tranexamic acid for melasma is usually 0.5g/day is enough, so it is relatively safe. However, you should also pay attention to the course of treatment. Tranexamic acid for melasma is usually recommended to take more than 3 months to achieve the therapeutic effect, and it is recommended to stop using it if there is no effect for more than 3 months. It should be noted that it should be used with caution by lactating women and women during pregnancy. Chloasma patients should minimize ultraviolet radiation, and can be combined with the topical drug hydroquinone cream to reduce the production of pigment. For the treatment of chloasma, medication should be taken under the guidance of a doctor, and should not be used on its own, so as not to delay the condition.