It&amp;#39;s a lip stain in marker form. That means it won&amp;#39;t smudge off onto glasses (or ahem, other lips), and it&amp;#39;s kindergarten-level easy to apply. Why no one ever came up with this earlier, we&amp;#39;ll never know, but we&amp;#39;re pretty pumped it&amp;#39;s around in time for all those summer parties.

$7.50, drugstore.com