The Japanese urban legend of the masked woman asking whether she is beautiful is read as anxiety about appearance and how others judge you. Tradition sees her as fear of the answer you might give.
When this appeared in your dream, what were you feeling?
My Cosmic Code has a private dream journal. Write a dream down and the app picks out the symbols in it, shows what dream books say about them and, over time, which words recur across your entries. The journal is stored on your device only.