Social media is fueling a tween skin care craze. Some dermatologists are wary

Tweens and young teens are now major consumers of skin care products, but some ingredients are not good for young skin.Anton Novikov/Getty ImagesDermatologist Elizabeth Houshmand sees a lot of tweens and teens in her Dallas practice. A few months ago, a mother brought her 9-year-old daughter in with a significantly red, itching face. It turns…