Most Helpful Guy
I don't know I can ask my sister though she has a photography degree
Most Helpful Girl
Not all self portraits contain the self as the subject, but they still are about the artist themselves. I think it's cool when people photograph on the subject of self identity but don't use themselves in the photos--sometimes it's harder to do but it can provide more interest for the viewer. For one of my photo classes a few years ago, I took pieces of notebook paper with poems on it that I've written, and paired the poetry with objects and things that I think define me or are important to me. I shot with various angles and depths of field. So basically like a still life that was a reflection of who I am. You could try layering textures or color overlays when you edit, if that's something you think would add to your concept. Also maybe try to experiment with lighting--make it moody, or cast broad shadows, or use diffused window light, etc. I don't know if you're allowed to do this or if this would interest you, but often I pair my self portraits (or other photographs that are personal to me) with text--like I'll write a line of poetry and present it next to my pieces and it helps with interpretation and concept. That's just me though. Hopefully at least something in my ramble helps you a little!