[19] This may be the other mechanism of action of Silymarin in the treatment of melasma. Silymarin inhibited l-DOPA oxidation activity of tyrosinase, the rate-limiting melanogenic enzyme ...
[11] Placebo is a cream base free from active constituent ... This is a double blind, randomized clinical study on patients with melasma attending the outpatient clinic of the Dermatology ...
For melasma, retinol can be used as a stand-alone topical and is also commonly prescribed as a combination cream,' says Dr. Charles. Still, some doctors may recommend you skip using it on its own ...