Trust me, I was surprised too. If you hover over the picture, a bar pops up and you click edit. It takes you to an editing page. I never bought anything and it only really works on the light colors and like, blonde hair, otherwise it doesn't really show up.
You made the Raina-muse squeal. She loves girly stuff like makeup. She would definitely be into that. Jia is unique and gorgeous, so Raina would naturally adore her!