What are the herbal remedies for melasma?

The title should refer to the traditional Chinese medicine prescription for chloasma, which belongs to the category of sallow spots in traditional Chinese medicine, and can be analyzed and treated with medicines such as Taohong Siwu Tang (桃红四物汤), and Haifu Yiyu Tang (血府逐瘀汤).
Its contraindications and adverse reactions are not clear. It can be used to treat sallow spots with Qi stagnation and blood stasis.
It is contraindicated for pregnant women and the adverse effects are not clear. It can be used for the treatment of sallow spots with qi stagnation and blood stasis.
If patients need medication, it is recommended to go to the hospital in a timely manner, identify the cause of the disease, standardize the treatment, and use medication under the guidance of a physician.