There are several. Avoid sun, and use a broad spectrum sunscreen. Bleaching creams that contain hydroquinone should be applied twice a day. Over the counter-porcelana; prescreiption melanex, lustra, eldoquin forte, eldopaqui forte, vinaquin forte, and solaquin forte are some options. Tretinoin creams (retin-a, renova) enhances hydroquin's effectiveness or can be used alone.Azelaic acid is also effective.
Yes...but... Melasma is pigmentation of the skin due do hormonal fluctuations. The prescription lightening creams contain hydroquinone, which inhibit pigment production, allowing your body to metabolize the excess pigment. However, this medication does not alter the underlying hormonal status. So if one stops using it, the dyspigmentation will likely recur. The transient result also occur with laser and light devices.