Evidence-Based Skincare Articles

Lips can thin with age as collagen, muscle, fat, teeth, and bone change. Compare moisturizers, lip treatments, fillers, and other options for restoring definition.

Bunny lines are dynamic wrinkles that form across the nose from repeated muscle movement. Here's the anatomy, the photoaging science, and what works.

Festoons (malar mounds) are sagging pouches on the upper cheek caused by skin laxity, lymphatic congestion, and collagen loss. Here's what works.

Glycerin is one of the most studied humectants in dermatology. Learn how it hydrates aging skin, why it outperforms hyaluronic acid in some studies, and its limits.

Loose skin after weight loss is caused by histological changes in collagen and elastin, not just a lack of fat underneath. Here's what helps and what doesn't.

Matrixyl 3000 combines two signal peptides used in anti-aging skincare. Review the evidence, formulation limits, potential benefits, and comparison with retinoids.

Crepey skin is an elastin and collagen problem, not a moisture problem. Here's what to look for in a moisturizer that actually rebuilds skin structure.

After 60, skin loses ceramides, lipids, and barrier function in measurable ways. Here is what science says actually moisturizes mature skin — and what doesn't.

Crepey eyelids form when collagen and elastin in the thinnest skin on your face break down. Learn what the science says works to restore smoothness.

Ergothioneine is a diet-derived antioxidant transported into cells. Review its skin biology, early topical evidence, safety, and place among antioxidants.