A science-based look at NAD⁺ and NMN in Korean skincare, including how these ingredients work in the skin, their limitations in topical formulas, and the best K-beauty products using them.

A gentle, clear guide to exosomes, growth factors and PDRN so you can understand what they truly do, and choose what your skin needs most.

PDRN has taken Korean skincare by storm, from powerful injectables to supportive serums and creams. In this article, I break down how PDRN works, the difference between injections and topical products, and how to use it effectively for healthier, more resilient skin — all with an honest doctor’s perspective.