Glossary

Fibroblast

Written by Reviewed by the SYNC editorial team Published Last reviewed Editorial standards

Fibroblast — a key connective-tissue cell found in the dermis that produces collagen, elastin, and other components of the extracellular matrix. By generating these structural proteins, fibroblasts help maintain skin firmness, elasticity, and the framework that supports wound healing.

Key points

  • Fibroblasts are the primary cells responsible for synthesizing collagen and elastin in the dermis.
  • They also produce glycosaminoglycans, including hyaluronic acid, that help keep skin hydrated and plump.
  • Fibroblasts play a central role in wound healing by building new connective tissue to repair damaged skin.
  • Their activity tends to decline with age, contributing to reduced collagen production and loss of firmness over time.

Frequently asked

Why are fibroblasts important for skin aging?

Fibroblasts produce the collagen and elastin that keep skin firm and elastic, and their gradual slowdown with age is linked to thinner skin and reduced firmness.

What do fibroblasts do during wound healing?

During healing, fibroblasts multiply and produce new collagen and matrix material to rebuild the connective tissue that closes and strengthens a wound.

Related topics

This is a foundational entry in the SYNC Skin Encyclopedia and is expanded over time. Educational information only — not medical advice.

Encyclopedia

Further reading

This entry was written and checked against the sources below. They are published by clinical and scientific bodies, they are listed most readable first, and each one opens in a new tab. They are background for the whole entry rather than footnotes to individual sentences.

  1. Histology, Dermis StatPearls (NCBI Bookshelf) Reference text ncbi.nlm.nih.gov
  2. Looking older: Fibroblast Collapse and Therapeutic Implications PubMed Central Peer-reviewed, open access pmc.ncbi.nlm.nih.gov
  3. The Role of Fibroblasts in Skin Homeostasis and Repair PubMed Central Peer-reviewed, open access pmc.ncbi.nlm.nih.gov
  4. Extracellular matrix regulation of fibroblast function: redefining our perspective on skin aging PubMed Peer-reviewed (abstract) pubmed.ncbi.nlm.nih.gov

SYNC does not publish medical advice. Nothing here replaces a consultation with a doctor or a pharmacist about your own skin.