The NAJJU Journal

Peptides, Prebiotics and Ceramides: Supporting the Skin Barrier
How peptides, prebiotics and ceramides play different supporting roles within a balanced, barrier-aware skincare routine. Read more...
2% Stabilized Vitamin C vs Pure L-Ascorbic Acid
A clear comparison of 2% stabilized Vitamin C in the form of Ascorbyl Glucoside and pure L-ascorbic acid. Read more...
Kojic Acid and a Disciplined Dark-Spot Routine
A practical guide to using kojic acid within a measured routine for the appearance of dark spots and uneven tone. Read more...