Brimonidine
"Like others, initially it was great. I suffer from flushing moreso than Rosacea and it brought my skin tone back to "normal" colors, but the rebound is just too much for me.  It feels like I fell asleep in the sun after the medication wears off and is almost more embarrassing than my flushing condition.  I look great when I apply it initially, but I'm saddened by the rebound :/"