23329
The cream containing the drug combination " fluocinolone acetonide / hydroquinone / tretinoin " ( trade name " Tri-Luma " ) is used for the treatment of melasma ( dark skin patches ) .
 melasma
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 melasma