ATIKA Journal — The Science of Skin Longevity

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advanced skin nutrition
algae for skin
androgens
anti-aging
antioxidant defense
antioxidants
astaxanthin
ATIKA
barrier
barrier lipids
beauty from within
bemotrizinol
beta carotene
blue light
bovine collagen
carotenoids
catechins
ceramides
collagen
collagen cofactors
collagen decline
collagen loss
collagen peptides
collagen supplements
Collagen Type 1
Collagen Type 3
cortisol
dermal repair
dermis
Dosing
egcg
epidermis
estrogen
fda
flavanones
foundational skincare
Gelatin
GLP-1
glutathione
glycation
grape seed
gut–skin axis
HEV
hormones
HRT support
Hyaluronic Acid
Hydration
hypodermis
immune signaling
inflammaging
inflammation
ingestible skin health
internal vs topical skincare
intestinal permeability
laser recovery
lutein
maqui
marine collagen
menopause
microbiome
midlife skin
nac
niacinamide nad+
nutritional dermatology
oxidative stress
ozempic
perimenopause
photoaging
phytonutrients
pollution
retinoids
selenium antioxidants
senescent cells
silica bamboo extract
skin aging
skin barrier
skin layers
skin longevity
skin nutrition
skin structure
skincare science
sugar
sunblock
sunscreen
supplements
TEWL
thyroid
topical synergy
topicals
turnover
UV defence
UV defense
UV exposure
VERISOL
vitamin C
Whole Collagen
zinc
zombie cells

What Causes Skin Aging at the Cellular Level?

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 ...

Mixed berries—raspberries, strawberries, blackberries, red currants, gooseberries, and blackcurrants—showing the natural sources of polyphenols used in nutritional dermatology.

advanced skin nutrition

Polyphenols for Skin: Human Data on Tone, Redness & Photobiology

Polyphenols support how the skin responds to light, redness, and everyday oxidative stress. Human studies of green-tea catechins, grape-seed OPCs, citrus polyphenols, and maqui anthocyanins show ch...

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

advanced skin nutrition

How Do Internal Skin Nutrition and Topicals 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...