ATIKA Journal - Foundational Supplement for Skin Longevity

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Internal vs Topical Vitamin C: What They Each Do for Skin

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 ...

A person sitting in shallow water, resting their arms on their knee while looking toward the camera.

advanced skin nutrition

How Long Do Internal Antioxidant Supplements Take to Affect Skin?

Internal antioxidants don’t produce overnight changes. Human trials show distinct timelines: carotenoids and antioxidants rise within weeks, collagen and barrier changes emerge over 8–12 weeks, and...

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advanced skin nutrition

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...

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advanced skin nutrition

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...

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advanced skin nutrition

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...

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

advanced skin nutrition

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...

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 ...

A woman floating in shallow sunlit seawater, relaxed with eyes closed, showcasing healthy hydrated skin.

advanced skin nutrition

Collagen & Gut Health: How the Gut–Skin Axis Affects Hydration and Elasticity

Struggling with breakouts, dullness, or bloating? The gut–skin axis plays a major role. Learn how digestion, collagen metabolism, and inflammation interact — and why supporting gut health can stren...