You read that right. The Iron Man actress calls herself the “guinea pig”; in trying new things where she opens up about a beauty treatment that required being stung by bees.

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“Generally, I’m open to anything. I’ve been stung by bees,”; she tells the New York Times while discussing some of her beauty secrets.

The treatment, called apitherapy, is a thousand years old and is the process of letting a number of bees sting you, which will allegedly promote circulation, decrease red and swollen areas of the body and relieve arthritis.

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“People use it to get rid of inflammation and scarring. It’s actually pretty incredible if you research it. But, man, it’s painful,”; the mother of two adds.