L’Oréal’s new skincare gadget told me I should try retinol

Las Vegas is punishingly dry. The arid winter air means I woke up on Day 3 of CES 2025 with a nosebleed, chapped lips, and ashy legs. This in spite of the fact I slathered myself with two pumps of a fermented bean essence, eye cream, moisturizer, and a lip mask. Staring at my face in the hotel mirror, I wonder if any of those products were doing what they’re supposed to ...