Waardenburg is a medical rarity that occurs once in every 42,000 births, and is a deficiency inherited from a single parent, who may or may not display alike features. Those who have this condition often suffer hearing loss. An additional primary characteristic of those with Waardenburg are blue/brown eyes or two brilliant blue eyes. Another easily recognizable trait is white hair on the head. YouTuber, blogger and make-up artist Stef Sanjati is one of those who have this very rare condition. In the video below, she explains what this syndrome is all about. Check it out: