I saw a thread a while back that said it's advisable to use a product as your avatar as it may attract people to your shop. So, after having a picture of myself for quite sometime I changed my avatar to one of my eyeshadows. I'm not sure if it had to do with it, but as soon as I did that I had no sales for almost a week. As soon as I changed the avatar back to a picture of me I had a sale that same day.
I think there's definitely a connection. Perhaps customers do want to see the person behind the shop. I yet have to work on my about page which will help showing the person to the buyers. But I wanted to share the outcome of the change in this forum.