What’s old is new again — it’s true when it comes to fashion and once in a while, beauty products too. You might remember Sun-In from its heyday in the ‘80s and ‘90s — well, spray-in hair lighteners ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Like all hair colors, brunettes can experience fading, brassiness, and an overall lack of vibrancy.