A dermatologist and licensed esthetician explain the brightening, smoothing, and clarifying benefits of using mandelic acid ...

Cosmo editors love right now, including a Prada lip balm, new T3 hair tool, Charlotte Tilbury blush, and more.

Our bodies are incredible, complex machines. They're also occasionally giant, petty toddlers who will throw a tantrum at the worst possible moment. A rogue pimple the morning of a first date? Check.

The best primers for mature skin soften fine lines, boost hydration and provide a smooth base for makeup. Here are our top ...

For a waterproof, full-coverage formula, the Dior Backstage Concealer is surprisingly thin and lightweight. The tiny brush ...