Pheomelanin is one of the two main types of melanin, the natural pigment found in the hair, skin, and eyes of humans and animals. Unlike eumelanin, which produces darker shades such as…
Pubic hair is the hair that grows in the genital area during puberty. This hair growth is one of the secondary sexual characteristics, triggered by changes in hormone levels in the body. Pubic hair begins…
Terminal hair refers to the thick, pigmented hair that grows on various parts of the body. It is different from vellus hair, the fine, thin and often barely visible hair that makes up most of…
Thermolysis is a process that uses heat to trigger a specific biological or chemical reaction or destroy a material. Thermolysis is often used in medicine and cosmetics...
A trichogram is a microscopic examination method of hair used to assess the condition and health of hair growth. Hair samples are taken directly from the scalp to…
Trichology is the medical specialty that deals with the structure, function, and diseases of human hair and scalp. Trichologists are specialists who have undergone comprehensive training in…
Trichorrhexis nodosa is a common hair shaft disorder characterized by thickenings or nodules along the hair shaft, where the hair becomes brittle and breaks easily. This disorder can affect both…
The TrichoScan is a modern, digital method for analyzing hair growth and diagnosing hair loss disorders. It is a non-invasive technique that allows for a detailed examination of the scalp and…
Trichotillomania is a mental disorder characterized by a repeated, irresistible urge to pull out one's own hair, leading to visible hair loss. This disorder belongs to the group of obsessive-compulsive disorders…
Trimming refers to cutting or shortening hair on various parts of the body to keep it neat or to achieve a specific length or shape. Unlike a full shave…
Vellus hair refers to a type of fine, thin and often barely visible hair that covers almost the entire human body, with the exception of the palms of the hands, soles of the feet and some other specific areas. In the…
Scarring alopecia, also known as cicatricial alopecia, is a form of hair loss in which inflammation destroys the hair follicles and replaces them with scar tissue. This type of hair loss is common in…
Cilia are hair-like structures that protrude from the surface of eukaryotic cells. They are microscopic and play an essential role in various biological processes. Cilia can be divided into two main types…
