What happens when you let your hair go grey naturally?

What happens when you let your hair go grey naturally? As a toddler I was a white blonde. So blonde my hair was almost white. But as I grew, the hair darkened. But by the time I went to school I was brunette. And that’s the colour I stayed………apart from some experiment’s with wash-in-wash-out home… More What happens when you let your hair go grey naturally?