Fun Vampire Fact; the reason that Vampires traditionally cannot see their reflections in a mirror is because mirrors used to be backed with a reflective layer of silver — which, as the metal of purity, would not ‘interact’ with Vampires, who are the Devil’s work.

However, modern mirrors have used aluminum as their reflective backing for many years now — and aluminum is not a ‘picky’ metal at all. So Vampires are able to see their reflections in modern mirrors.