Well yes, but that’s when you dunk humans into it. Which can safely be assumed to not be the intended purpose. As I look it up, it seems mercury is used in some skin bleaching treatments, and of course isn’t so great for the brain when ingested. So whatever it is, it could have mercury in it.

Oh and I agree with you about Leto’s Joker. Not a fan of him so far.

No, Harley actually is an accomplished therapist who did legitimately earned her Phd. She didn’t sleep around to get it.

Especially when that outfit is just screaming for a pair of Doc Martens.