The left side is like a waxy pencil and the right side is a tinted brow gel with a brush. So far I like the pencil but I'm not too fond of the gel because after I apply it, it makes my brow hair look a little bit metallic.
Final thought: Do I think it's worth the $18? No, because I only like part of the product. I think the MAC Eye Brows brow pencil in Lingering ($15) is more worth it. I bought it for a few months and I use it almost everyday and there seems to be a lot of product left.
Picture from MAC website