Most of the time, Halloween costumes are some combination of amazing, scary, and hilarious, but they can also be incredibly offensive. Year after year people wear straitjackets and dress up as patients at an insane asylum—in effect, mocking mental illness.

Thankfully, Twitter is pretty good at calling out this kind of BS. Dozens of people tweeted selfies with the hashtag #FaceofMentalIllness to show mental illness isn't a costume. The hashtag was started by Jennifer Marshall, cofounder of This is My Brave, an organization that encourages people to speak up about mental health. Check out some of the empowering tweets below:

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