What Is 'Pillow Face' and How to Avoid It
'Pillow face' describes an over-filled appearance—puffy, rounded, and unnatural. It results from too much filler in too many areas, incorrect product selec...
Trusted anti-aging guides backed by dermatological research
All articles tagged "what is".
14 articles
'Pillow face' describes an over-filled appearance—puffy, rounded, and unnatural. It results from too much filler in too many areas, incorrect product selec...
Your skin hosts trillions of microorganisms—bacteria, fungi, viruses, and mites—that form a living ecosystem called the microbiome. A healthy microbiome su...
Senescent cells have permanently exited the cell cycle but resist apoptosis (programmed death). They accumulate with age, secreting a cocktail of inflammat...
Fractional CO2 laser delivers the most dramatic wrinkle improvement in a single treatment but requires 7-14 days of downtime. For moderate wrinkles with mi...
UV radiation. Unequivocally. Up to 80% of visible facial aging—wrinkles, pigmentation, texture changes, laxity—is attributable to chronic UV exposure (phot...
A liquid facelift combines strategic filler placement and Botox to address multiple signs of aging non-surgically: volumize cheeks, lift the brow, smooth w...
Elastin is the protein responsible for skin's snap-back ability. Unlike collagen, which is continuously (if slowly) replaced, elastin production essentiall...
Type I collagen (80% of skin collagen) provides tensile strength—the resistance to stretching and tearing. Type III (15%) provides structural support and i...
Serums are lightweight, concentrated formulations designed to deliver active ingredients deep into the skin. Moisturizers are heavier formulations that hyd...
In 1961, Leonard Hayflick discovered that human cells can divide approximately 40-60 times before entering senescence—a limit now named after him. This pro...
Intrinsic aging (chronological) produces fine, evenly distributed wrinkles, gradual thinning, and mild laxity. Photoaging (UV-induced) produces deep, irreg...
Prejuvenation means addressing early signs of aging before they become established—think of it as maintenance rather than restoration. It includes preventa...
Non-ablative fractional (Fraxel Dual, Clear+Brilliant): 2-5 days of redness, mild swelling. Ablative fractional (CO2, Erbium): 5-10 days of significant red...
Evening, 15-30 minutes after washing your face (on completely dry skin). Retinol degrades with UV exposure, making nighttime the optimal application window...