Inner lip tattoos might be totally in right now, but they're some of the least reliable and could be the most painful you could possibly get. Still, if you have a sweet (or rude) design idea in mind and you couldn't imagine it anywhere else, it's best to be prepared before going under the needle.
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Pros and cons of getting an inner lip tattoo - ZarasLounge
Pros and cons of getting an inner lip tattoo - ZarasLounge