When Sasha Plavsic grew weary of puzzling over the ingredients listed on the back of her lipstick box, she poured her admirable energies into the foundation of Ilia Cosmetics. Her ethos - that pure, ethical and sustainable ingredients need not be at odds with a fashion-forward aesthetic - has made her a heroine for beauty mavens who value transparency as highly as trendiness. When it comes to these uber-useful illuminators and color sticks, multi-use might be too humble a term. Organic ingredien