The Journal

Field notes on ingredients, protocols and the science of aesthetic medicine, written for professionals and the curious alike.

All Science Rituals Stories

Science

Understanding Coenzyme Q10: The Cellular Energy Behind Radiant Skin

A closer look at the antioxidant that powers cellular repair — and why Bellezza builds so much of its formula philosophy around it.

4 min read

Science

Why Skin Barrier Health Matters More Than Any Single Ingredient

No formula works well on a compromised barrier. Here is what the barrier actually does, and how ceramides help restore it.

5 min read

Science

PDRN Explained: What Tissue Regeneration Really Means

Polydeoxyribonucleotide has become a buzzword. Here is the biology behind it, without the hype.

4 min read