ATIKA Journal — The Science of Skin Longevity

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advanced skin nutrition
algae for skin
androgens
antioxidant defense
antioxidants
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ATIKA
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barrier lipids
beauty from within
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gut–skin axis
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internal vs topical skincare
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VERISOL
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Whole Collagen
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Person floating calmly in water holding a seashell, evoking balance, light exposure, and the relationship between environment, skin, and overall skin longevity.

Skin Layers and Longevity: A Functional Guide

barrier

Skin Layers and Longevity: A Functional Guide

Skin is not a single surface but a layered biological system. This functional guide explains how the epidermis, dermal–epidermal junction, dermis, and deeper support tissues change over time — and ...

Hyaluronic Acid

Topical vs Oral Hyaluronic Acid: What Actually Works?

Topical hyaluronic acid hydrates the skin surface. Oral hyaluronic acid is digested and does not reach the skin intact. This article explains the difference and why barrier lipids like ceramides ma...