Practical K-beauty product guides, comparisons, and recommendations to help you choose the right skincare products for your needs.
NAD+ is becoming one of the fastest-growing longevity ingredients in K-beauty—but shopping for an NAD+ product is already more complicated than finding the biggest number on the label. The products in this guide use very different formula strategies. Some contain direct NAD+. Others combine NAD+ with: And some brands disclose percentages, ppm, ppb, complexes, or … Read more
Prices and availability were checked on Sephora U.S. on August 23, 2026. PDRN skincare is becoming much easier to find in the U.S. Sephora now carries both traditional salmon-derived c-PDRN products and newer plant-based products marketed with proprietary PDRN-inspired or PDRN-branded ingredient systems. Those products should not automatically be treated as the same material or … Read more
Anua PDRN vs Medicube PDRN is a much closer comparison than the packaging makes it look. Both are Korean PDRN serums positioned around hydration, glow and firmer-looking skin, but their supporting formulas are different enough that one may make more sense for your routine than the other. As of August 21, 2026, Anua’s U.S. site … Read more