Lifestyle
·3 min read
How Does Menopause Change Your Skin?
Estrogen decline during menopause causes: 30% collagen loss in the first 5 post-menopausal years, reduced sebum production (drier skin), decreased hyaluron...
#how does
All articles tagged "how does".
5 articles
Lifestyle
·3 min read
How Does Dehydration Affect Your Skin?
Dehydrated skin appears dull, rough, with more visible fine lines. Dehydration reduces skin elasticity (the pinch test: dehydrated skin takes longer to bou...
Lifestyle
·2 min read
How Does Climate Affect Skin Aging?
UV exposure (tropical and high-altitude climates): accelerated photoaging. Dry climates: chronic dehydration and barrier stress. Humid climates: better hyd...
Science
·3 min read
Exactly How UV Radiation Causes Wrinkles: The Molecular Pathway
UVA penetrates to the dermis → generates reactive oxygen species (ROS) → ROS activate transcription factor AP-1 → AP-1 upregulates MMP production → MMPs de...
Science
·3 min read
How Retinol Works at the Cellular Level
Retinol is converted in the skin: retinol → retinaldehyde → all-trans retinoic acid (tretinoin), the active form. Retinoic acid binds to nuclear receptors ...