I Gave L'Oréal My Cells to Know What Products Are Good for My Skin (And So Can You!)

L'Oreal's Cell BioPrint uses a simple sticker to gather skin cells and look for biomarkers to identify aging issues your skin may be prone to have, and what products may be a better fit for your needs. It's been in development for ten years, and would be a test given in retail stores. CNET's Bridget Carey tries it on her skin at CES 2025.