The cells in human bodies are subject to both chemical and mechanical forces. But until recently, scientists have not ...

Collagen is not naturally found on the skin's surface. Collagen is found in deeper layers, but collagen fibers are too large to permeate the outer skin layers, and peptides (shorter chains of collagen ...

The results were surprising: strong fluorescent signals were detected in collagen fibers made by keratinocytes, not fibroblasts. "So far, fibroblasts have been thought to be the major contributors ...