For pigmentation there are many creams and procedures that can be tried. But depending on how deep your pigmentation is , the results are seen . If the pigmentation is superficial then the treatment is different , if medium then stronger creams are needed and if deep then creams + procedures might help. But for that you need to know how deep the pigmentation is even if it is melasma.
Next Steps
Visit an allopathic dermatologist near you for the proper treatment. Before you choose your dermatologist read this http://www.skinmatra.com/single-post/2016/07/03/Skin-Troubles-Here-is-WHAT-NOT-TO-DO
Health Tips
Do not self medicate or do salon procedures please.