Across the nation, American tweens and teens are indulging in makeup. New research from Mintel reveals that as many as 80 percent of all US 9-11 year olds use beauty and personal care products.More than half of US 12-14 year olds use mascara (54%), as well as eye shadow, eye liner and eyebrow pencils (54%). Meanwhile, some 45% use foundation/concealer, 30% use blush/bronzer and 10% use hair coloring products! “Beauty awareness starts at an early age, and tweens/teens are becoming increasingly...