You may hear about how lube is good for your sex life, see it on store shelves, and use it… but do you know what, exactly, you’re putting on — and in — your body? Have you only used water-based ones, not silicone? Or vice-versa? What about flavored ones (like banana, bubble gum, and even bacon)? Pop quiz: Do you know which you can use with sex toys, and which you cannot? Or have you never used any at all?

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