Locate shot glass. Insert lips. Suck. The rising popularity of lip-enhancing procedures begs the question; How safe are they? [caption id="attachment_2375" align="aligncenter" width="595"] Images via Instagram: @sixtyoneshadesofred @worldshiners @KylieJenner[/caption] We see them everywhere. Models, movie stars and bloggers alike, are obsessed with them. Sumptuous, lust-inducing lips have...