Fibroblasts

Fibroblasts are specialized cells found in connective tissue that play a crucial role in maintaining the integrity, strength, and elasticity of the skin. They stimulate the production of collagen, elastin, and other extracellular matrix components, as well as amino...

Fissures

A fissure is a crack in the skin that penetrates the dermis, the second layer of the skin. Fissures can be caused by various factors, including dryness, dehydration, skin irritation, or an underlying skin condition.  Fissures can occur anywhere on the body, but are...

Fitzpatrick scale

The Fitzpatrick scale, also known as the Fitzpatrick skin typing system, is a widely used classification system that measures an individual’s skin type based on its ability to tolerate sun exposure. Developed by Dr. Thomas Fitzpatrick in 1975, this scale helps...