ATIKA Journal — The Science of Skin Longevity

Antioxidant Supplements for Skin: Do They Actually Work?

Antioxidant supplements reach deeper skin layers through circulation and influence UV-induced redness, oxidative markers, tone, and hydration. This article reviews what controlled human studies act...

Collagen & Menopause: Perimenopause vs Menopause Deep Dive

A clinical explanation of how collagen changes across perimenopause and menopause, how estrogen decline affects dermal structure, and where foundational skin nutrition supports skin longevity.

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...

Polyphenols for Skin: Human Data on Tone, Redness & Photobiology

Polyphenols support how the skin responds to light, redness, and everyday oxidative stress. Human studies of green-tea catechins, grape-seed OPCs, citrus polyphenols, and maqui anthocyanins show ch...

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...