"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Tween skincare—yes, you read that right—has become one of the fastest expanding categories in beauty.

Building a skin-care routine for teens and tweens can seem complicated. Puberty is often the first time kids are dealing with ...

As puberty starts earlier, glossy marketing targeting the 12-and-under set has driven tweens’ annual spending on skincare and beauty to $4.7 billion. For families deciphering what’s necessary and what ...