ATIKA Journal — The Science of Skin Longevity

Collagen Supplements: What They Do, What They Don’t & How to Use Them

Collagen supplements may support skin hydration and elasticity for some people when taken consistently, but they do not reverse skin aging or replace medical care. This guide explains what collagen...

Can Hyaluronic Acid Dry Out Skin, Cause Acne, or Irritation?

Hyaluronic acid is often blamed for dry skin, breakouts, or irritation.This article explains when those reactions can happen, why they are usually caused by misuse or barrier damage, and how hyalur...

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...

Which Supplement Is Good for Skin? A Biology-Based Guide

There is no single “best” supplement for skin. Skin outcomes depend on barrier function, structural support, and recovery capacity. This guide explains which supplement categories support each syst...

How Perimenopause Accelerates Collagen Loss: Skin Changes After 40

Hormone fluctuations in perimenopause can reduce collagen, alter barrier lipids, and change how skin responds to UV. This article explains the science behind these shifts and how targeted nutrition...

Do Dermatologists Recommend Skin Supplements? What They Actually Agree On

Dermatologists prioritize sun protection, topical treatments, and procedures first. This article explains where skin supplements fit, when they’re discussed, and what dermatologists generally agree...

Marine vs Bovine Collagen: What the Science Actually Shows

A clinical comparison of marine and bovine collagen based on human studies. Learn how peptide composition, bioavailability, quality, and cofactors influence collagen outcomes within foundational sk...

If You Can’t Name the Deficiency, You Don't Need the Supplement, Right?

“If you can’t name the deficiency, you don’t need the supplement” is good advice for classic deficiency diseases. But antioxidants don’t operate in a deficiency-replacement model. Oxidative stress ...

Oral Photoprotection Explained: Polypodium, Antioxidants & What Actually Helps

Oral photoprotection supports the skin’s response to UV exposure from within, but it does not block sunlight or replace sunscreen. This guide explains what Polypodium leucotomos and antioxidants ac...