Hair follicles also play a part in determining the color of your hair. As with skin, your hair gets its pigment from the presence of melanin. There are two types of melanin: eumelanin and pheomelanin.

Part One of a two part series discussing the structure and function of hair follicles, diagnostic approach to diseases causing hair loss, and the most commonly occurring nonscarring alopecias.

During anagen, the hair follicle will produce a new shaft–the part of the follicle that pokes above the skin. “The anagen phase, where hair actively grows, is significantly longer for head ...

There are three stages of hair follicle growth: anagen, telogen and catagen. 2dDR is particularly conducive to the anagen ...

Hair drug tests can identify drug use up to 90 days before the test date. That’s because the chemicals from the drugs that end up in your bloodstream become part of the hair cells as your hair ...

Lowry and his fellow researchers have discovered that hair follicle stem cells have a “distinct metabolism ... PP405 has become the leading candidate for hair-loss treatment as part of this new ...

Red arrows indicate the hair follicles (HFs), and black asterisks indicate the cartilaginous parts. b and c) Representative hematoxylin and eosin (H&E) staining images, from the same SKOs shown in ...

If scalp conditions such as seborrheic dermatitis—which can involve dandruff, scaling, or inflammation of the hair follicles—are the source of the problem, treating them with a shampoo that ...