Stop overthinking skin care. What's essential and what's hype

The list of skin care products being sold as “essential” can feel endless. What do all those serums, creams, acids and toners actually do — and do you need them? In this episode of Life Kit, host Marielle Segarra talks to health journalist Kelle Walsh, who just wrote a newsletter series for us on this topic. Sign up for Life Kit's skin care newsletter . Follow us on Instagram: @nprlifekit Sign up…