Gloss
During a conversation with a friend, they brought up an illustration they saw of a girl applying her makeup. I was inspired to create my own take on that subject, and came up with a front-back design based on that idea.
It can be purchased on a front-back t-shirt with a custom tag here. You can also get the front and back design combined together on different merchandise via Redbubble.
Originally, I had planned on including a different perspective on the back as well. But ultimately I decided on just the kiss mark.
These are the rough pencil sketches.