Topic

Dermal Fillers

Hyaluronic acid, calcium hydroxylapatite, poly-L-lactic acid, PMMA. Juvéderm, Restylane, RHA, Belotero, Sculptra, Radiesse, Bellafill.

43 articles·Lives underInjectables·Last updated 2026-06-28

Injectables· May 13, 2026 · 11 min read

What happens after years of dermal filler: MRI findings and what to do.

MRI studies show HA filler persisting in facial tissue for years beyond advertised duration. Migration, granulomas, and tissue stretch are real but preventable. What the…

Ran Chen#Dermal Fillers #Regulatory

Injectables· May 12, 2026 · 15 min read

How long does lip filler last? An evidence-first answer.

Hyaluronic-acid lip fillers last 6–18 months depending on product, technique, anatomy, and how the body metabolizes filler. The honest breakdown by brand.

Ran Chen#Lip Filler #Dermal Fillers

Injectables· May 10, 2026 · 12 min read

Juvéderm vs Restylane: the family-by-family comparison.

Juvéderm and Restylane are two HA-filler families, not two products. The honest comparison: rheology, indication match, longevity, and where each one belongs on the face.

Ran Chen#Dermal Fillers #Lip Filler