Will Vbeam help my seborrheic dermatitis redness? (photos)

This picture shows how my skin looks when flushed which happens daily. I've been diagnosed with seborrheic dermatitis, and perhaps rosacea but they're not sure. I go to UVB phototherapy right now but so far no results. Considering trying Vbeam, will it help? And why do I flush every night when I'm at home? Can SD cause flushings like this? I'm really confused on how to treat this.