ATIKA Journal — The Science of Skin Longevity

What Destroys Collagen? UV, Oxidative Stress, Hormones & Lifestyle

Collagen breakdown is driven by UV exposure, oxidative stress, hormonal changes, glycation, and lifestyle factors such as smoking, sleep, pollution, and diet. This article explains the biological m...

How Do Internal Antioxidants Protect Your Skin From Oxidative Stress?

Oxidative stress begins damaging collagen and barrier lipids long before visible aging appears. This article explains how internal antioxidant systems complement topical care to support deeper skin...

How Does Pollution Cause Oxidative Stress — and What Helps Your Skin?

Pollution and sunlight create free radicals that add to daily oxidative stress in the skin. This article explains how oxidative stress affects collagen, barrier lipids, and cellular energy — and ho...

Topical vs Oral Vitamin C for Skin: What Actually Works?

A technical comparison of oral and topical vitamin C — how each reaches the skin, the layers they influence, the mechanisms they support, and the limitations of both routes. Explains why combining ...

Inside the Antioxidant Network: How ATIKA’s System Is Built

ATIKA Advanced Skin Nutrition isn’t built around a single “hero” antioxidant. It uses a coordinated network of carotenoids, polyphenols, vitamin C and mineral cofactors to support antioxidant defen...

Oxidative Stress, Skin, and Internal Antioxidant Support

Oxidative stress is one of the main drivers of collagen loss, barrier disruption and uneven tone in skin. This article explains how ROS are generated, why topical antioxidants can only reach part o...

Carotenoid Supplements for Skin: What Human Studies Actually Show

Carotenoids such as beta-carotene, lycopene, lutein, and zeaxanthin accumulate in the skin and influence how it responds to UV and oxidative stress. This overview summarizes what controlled human s...

Internal vs Topical Antioxidants for Skin: What Each Can and Can’t Do

Topical antioxidants defend the skin’s surface, while internal antioxidant supplements support deeper layers and systemic oxidative stress. This guide explains how both fit together using evidence ...

How Do Internal Skin Nutrition and Topicals 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...

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 ...