ATIKA Journal — The Science of Skin Longevity

What Are the Best Supplements for Skin Elasticity?

What supplements actually support skin elasticity? We examine the human evidence for collagen peptides, ceramides, antioxidants and other nutrients that support skin structure, hydration and resili...

What Are the Best Supplements for Crepey, Sagging or Loose Skin?

Can supplements help crepey, sagging or loose skin? We examine the evidence for collagen peptides, ceramides and antioxidants, and what supplements can realistically do.

How UV Light Damages Skin: Five Pathways, Explained

UV light damages skin through five biological systems — collagen, barrier, oxidative defense, cellular energy, and DNA. Here's what's actually happening, and why protection has to work from the ins...

Hair Shedding and Skin Changes: The Nutrition Link

Hair shedding and skin changes often appear during the same periods of stress, illness, rapid weight loss, childbirth, or hormonal change. This evidence-based guide explains where nutrition may hel...

Oral Niacinamide and Skin: Why Cellular Energy Is the Missing Piece

Cellular energy sets the ceiling for skin repair, turnover, and barrier recovery. When it’s constrained, even well-chosen inputs underperform. NAD+ sits at the center of this system.

Hyaluronic Acid Isn't Failing You. Your Approach Is Incomplete.

Your skincare routine isn’t failing — it’s incomplete. Here’s why hyaluronic acid can’t fix chronic dryness, and what actually can.

Oral Ceramides: The Skin Hydration Mechanism Topicals Miss

Most dry skin isn't a moisture problem — it's a barrier lipid problem. A PharmD explains how oral ceramides work from the inside out, and what the research actually shows.

What Are "Zombie Cells," and What Do They Have to Do With Your Skin?

Senescent (“zombie”) cells are damaged cells that stop dividing but don’t fully shut down. In skin, they can release inflammatory signals that contribute to collagen breakdown, barrier disruption, ...

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 ...

Why Megadosing a Single Antioxidant Can Backfire

Antioxidants don’t work alone. They function as a network inside biological systems that manage oxidative stress, signaling, and repair. When one antioxidant is megadosed in isolation, the system c...