A lot of adults, your parents included, don't think it's appropriate for anyone under 15 or 16 to wear makeup. If you dare to try a little color on your lips, eyes or cheeks they get all excited. Maybe they say you look silly or trashy. And maybe they have a point.
Nothing is more attractive than natural beauty.
Which is what you get from eating the right foods, daily exercise, and making sure you are well rested. Makeup should be used to accentuate what is already there, not to cover it up. It is easy to over do it when you are just starting out. Especially if you are trying to follow the advice found in many magazines. They often tell you to put on blusher, on top on powder, on top of foundation, on top of toner, on top of base.