So, your tween wants to wear makeup? Before you start visualizing your 10-year-old as the star of Toddlers in Tiaras (tantrums included), consider using her new obsession as an opportunity to start healthy beauty habits. The first step is swapping the items on her wish list for inexpensive, chemical-free products in pretty packaging. Looking for suggestions? We've done the leg work for you. We'll start with what she wants and then recommend what she should get.