Injectables
·3 min read
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...
#what is
All articles tagged "what is".
14 articles
Science
·3 min read
What Is the Skin Microbiome and Why Does It Matter for Aging?
Your skin hosts trillions of microorganisms—bacteria, fungi, viruses, and mites—that form a living ecosystem called the microbiome. A healthy microbiome su...
Science
·3 min read
Cellular Senescence: When Cells Stop Dividing but Won't Die
Senescent cells have permanently exited the cell cycle but resist apoptosis (programmed death). They accumulate with age, secreting a cocktail of inflammat...
Treatments
·3 min read
What Is the Best Laser for Wrinkles?
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...
Anti-Aging
·2 min read
What Is the Number One Cause of Skin Aging?
UV radiation. Unequivocally. Up to 80% of visible facial aging—wrinkles, pigmentation, texture changes, laxity—is attributable to chronic UV exposure (phot...
Injectables
·3 min read
What Is a Liquid Facelift?
A liquid facelift combines strategic filler placement and Botox to address multiple signs of aging non-surgically: volumize cheeks, lift the brow, smooth w...
Science
·3 min read
What Is Elastin? Can You Rebuild It After It's Lost?
Elastin is the protein responsible for skin's snap-back ability. Unlike collagen, which is continuously (if slowly) replaced, elastin production essentiall...
Science
·3 min read
Collagen Type I vs. Type III: What's the Difference for Skin?
Type I collagen (80% of skin collagen) provides tensile strength—the resistance to stretching and tearing. Type III (15%) provides structural support and i...
Skincare
·2 min read
What Is the Difference Between a Serum and a Moisturizer?
Serums are lightweight, concentrated formulations designed to deliver active ingredients deep into the skin. Moisturizers are heavier formulations that hyd...
Science
·3 min read
The Hayflick Limit: Why Your Cells Can Only Divide So Many Times
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...
Science
·3 min read
Photoaging vs. Intrinsic Aging: Understanding Both Types
Intrinsic aging (chronological) produces fine, evenly distributed wrinkles, gradual thinning, and mild laxity. Photoaging (UV-induced) produces deep, irreg...
Anti-Aging
·3 min read
What Is Prejuvenation? The Preventive Anti-Aging Approach
Prejuvenation means addressing early signs of aging before they become established—think of it as maintenance rather than restoration. It includes preventa...
Treatments
·3 min read
Fractional Laser Recovery Time: What to Expect
Non-ablative fractional (Fraxel Dual, Clear+Brilliant): 2-5 days of redness, mild swelling. Ablative fractional (CO2, Erbium): 5-10 days of significant red...
Skincare
·2 min read
What Is the Best Time to Apply Retinol?
Evening, 15-30 minutes after washing your face (on completely dry skin). Retinol degrades with UV exposure, making nighttime the optimal application window...