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...

Flavonoids

Flavonoids are a diverse group of plant compounds known for their antioxidant, anti-inflammatory, and anti-aging properties. These naturally occurring substances are found in a variety of fruits, vegetables, herbs, and even some beverages like tea and wine....

Follicles

Hair follicles are small, tube-like structures that are found in the epidermis, extending deeper into the dermis section of the skin. They are responsible for producing hair and are composed of several different parts, including the hair shaft, hair bulb, and hair...