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.
Dr. Elena Ricci · 5 min read · 16 July 2026
Ceramides make up roughly half of the skin's stratum corneum, forming the structure that holds barrier cells together. When ceramide levels drop with age or environmental stress, the barrier weakens and transepidermal water loss rises — which is why dehydration, sensitivity and dullness so often arrive together.
Replenishing ceramides in a ratio that mirrors the skin's own lipid composition is a slower, less dramatic story than most marketing prefers, but it is the one with the most durable results.