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The beauty heavyweight faces off with the plant-based newcomer.

This dermatologist-deemed “rockstar ingredient” speeds up cell turnover, fades discoloration, smooths fine lines, and more.

A dermatologist and skin expert share how to find the right retinoid formulas (from retinol to retinal) for sensitive skin, ...

The best retinol serums, expert-tested. Shop our top formulas for beginners, sensitive skin and more, including a guide on ...