ATIKA Journal - Foundational Supplement for Skin Longevity

Person outdoors partly obscured by a large leaf, with soft natural light and surrounding foliage.

How Internal and Topical Skincare Work Together

Internal skin nutrition and topical skincare work on different layers of the same organ. This article explains how each approach affects key pathways in the skin and how to combine them in a measur...

Woman floating in clear water with sunlight reflecting across her skin.

advanced skin nutrition

The Science of Micronutrients and Skin Aging: A Clinically Grounded Guide

A clear, clinically grounded look at how vitamins, minerals, carotenoids and lipids influence collagen, barrier lipids and antioxidant defenses — and how these micronutrients help shape the biology...

Natural light on a woman’s shoulder and upper back, showing skin texture and tone for an article on internal skin aging.

antioxidant defense

What Causes Skin Aging at the Cellular Level?

A detailed, research-based explanation of how skin aging begins at the cellular level: fibroblast changes, collagen loss, ceramide decline, and oxidative stress. Includes clinical references and a ...