Why did he wrap the tattoo in saran wrap?

my friend got a tattoo on her wrist yesterday and she came home with it wrapped in saran wrap and he wrist was twice the size, when she got the one on her shoulder he put this cream on it to numb it, and it didnt swell or anything, but this time, its huge and everything he said saran wrap was better because gauze... show more my friend got a tattoo on her wrist yesterday and she came home with it wrapped in saran wrap and he wrist was twice the size, when she got the one on her shoulder he put this cream on it to numb it, and it didnt swell or anything, but this time, its huge and everything
he said saran wrap was better because gauze makes it sweat...err...i dotn get it
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