Hello respected, i think you have tried all the creams available in the market.but believe me there is still a hope, in such type of resistant cases, i usually prescribe, resorcinol cream (one tone, micro labs pharma) two times a day, Tretinoin gel, (nioret gel 0.025% gel,(zydus, liva) once at night around 8 pm, to be applied on dry face , and keep it for only half hour than wash off,avoid area close to eyes lips nose, Hydroquinone (Eukroma 4 % (yash pharma) cream to be applied two times a day, apply a good quality moisturizer , cetaphil cream, (galderma) at bed time, and in morning also, as tretinoin will cause dryness., you can also add oral antioxidants containing L-glutathione 500 mg once a day, (depiglow forte, gracederma) and totally avoid sunlight use dupatta or cap or hat or use sunscreen if necessary. . you will get result in few weeks, hope my prescription will help you . and if you have any query or problem during treatment do contact me, thank you and many good wishes in advance for your marriage