People who see the dark-haired woman are said to have "sharp observational skills and an eye for detail" and are typically a "reserved and introverted person" who gets tired when they're around too many people.
People who see the face with a wide-set jaw are said to "tend to neglect detail and go for the big picture" they also are usually extroverted and enjoy chatting with other people.
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This optical illusion is said to reveal key personality traits based on what you see first
Bright Side / YouTube
On Twitter, people expressed their opinion on the illusion. Some said what they saw matched how they feel they are while others had the opposite experience.