Face ID is not available

I've had my phone now for about 6 months and its never done this. My Face ID has been working perfectly. Until the other day I noticed my face wouldn't open the phone and I had to put my pass code. I didn't think anything of this because sometimes it just doesn't read my face or makes me do the code. But it was every time and I looked at the face ID in settings and it said it was not available for my phone.

I tried restarting my phone, didn't help. Tried setting up a new face id and it will still say not available. I even factory reset my phone and it still isn't working. It gets a little frustrating because it is one of the better features on the new iphones. I use it to validate everything. Has anyone else experienced this issue and if so how did you resolve it. I really don't want to travel to my nearest apple store for them to look at it because its so far away from me. Anything is much appreciated.