I wouldn't trust condoms that were just handed out at a concert. I don't know anything about the type of condom (mint tingle?) but you have no idea how long they have been sitting around, what they've been exposed to, etc.
Actually, as far as I can find, whatever the lubricant is made with as far as flavor is concerned, isn't specifically vagina unfriendly. I have yet to find an actual list of ingredients, but everything I'm seeing says they're great for foreplay or intercourse. Still, anything minty in my vagina I think would be a large N-O on the "it's a feeling I want down there" scale.
On the note of not being able to actually FIND the ingredients of the lubricant they use, maybe that's a sign they're better off not tried out for intercoruse anyway, unless someone can find a more definitive answer.
Still, I think as far as intercourse goes, regfular condoms you obtained yourself are a safer bet than ones handed out anywhere or with special ingredients, regardless of where they were supposed to come from.
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