Thank you doctor, but I want to ask a question. my sister uses Laroche posay products for melasma, ለወር ተጠቅማለች but I haven't changed yet. Of course, it may take patience, but which one is better than laroche pure vitamin C እና ከላሮች ናሲናሚድ serum ለውጥ ቶሎ ለማየት የቱ የተሻለ ይሆን?? ብትመልስልንና አጠቃቀሙንም በደንብ ብታብራራልን ደስ ይለናል እባክህ🙏