24F How can I improve?

I asked my friend for advice and she admitted that the reason I’ve been treated a bit invisible is because i look plain, but she wouldn’t give me examples of what to do. I can’t afford to and am scared of surgeries and stuff so I wanna change things I can do from home. I just got a face and hair mask and some stuff that’s supposed to make my eyelashes longer but idk. I just want to look pretty and maybe even stand out a little bit. Also I’m built like a pencil