Ingredients & Science
Evidence-led ingredient explainers and formulation science.
Regenerative Skincare: A Beginner’s Evidence Guide
Regenerative skincare is a marketing category, not one standardized treatment. Learn how to separate cosmetic support from medical-sounding promises.
PDRN vs PN vs Salmon DNA: What the Labels Really Mean
PDRN, PN, Sodium DNA, and salmon DNA are often treated as synonyms. The scientific and commercial terminology is less settled than many product pages imply.
What Is PDRN in Skincare? An Evidence-Led Guide
PDRN is widely used in Korean skincare marketing, but topical cosmetics, injectables, and medical wound-care research are not interchangeable. Here is what the term means—and what the evidence can actually support.
How to Evaluate K-Beauty Ingredient Claims
A repeatable framework for checking ingredient percentages, clinical claims, study quality, and whether evidence for a raw material applies to the product in your cart.