Sephora is getting “cleaner.” The retailer that propelled the concept of clean beauty; i.e., celebrating formulas for what they don't contain, rather than what they do, is rolling out a private label line that it expects will cash in on the concept of clean—and at a lower price point to boot.  The four new Sephora Collection products — Glowing Skin Foundation, Glossy Lip Oil, Liquid Lip Mousse and Bouncy Eyeshadow Palette — all have the Clean at Sephora seal, meaning they hav...