ATIKA Journal — The Science of Skin Longevity

What Is Skin Longevity? (And Why It’s Not Anti-Aging)

Skin longevity is the long-term biological health of the skin. This article defines the category and explains how collagen structure, barrier lipids, antioxidant defense, and cellular energy intera...

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.

Collagen Peptides vs Gelatin vs Whole Collagen: What Each Means for Skin

A clinical comparison of collagen peptides, gelatin, and whole collagen — how they differ in structure, absorption, and evidence, and what actually matters for skin.

What Is Collagen? A Plain-Language Guide for Skin

A clear, evidence-based explanation of what collagen is, where it sits in the skin, how its structure changes with age and UV exposure, and why type I and III collagen matter most for visible firmn...

Blue Light, Digital Stress, and Your Skin: What We Know So Far

Blue light from screens isn’t as strong as UV, but research shows it can contribute to oxidative stress, pigmentation changes, and texture shifts over time. This article explains what HEV light act...

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...