It was a mistake.

The nightmares she sees constantly in her peripheral vision are the symptom of the flayed parts of her soul. Though she escaped the flames that sought her spirit-life, every hair was singed from the left side of her face.

She remembers that night every time she looks in the mirror.

((This works with all skintones. If you're going to derive from this, PLEASE do so from this page only. Thanks. ^.~))