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Faulty Notch signalling may cause hair follicle changes and inflammation in hidradenitis suppurativa.

Hair shaft disorders are diagnosed through examination and history, with general care and some treatments offering improvement.

A 62-year-old woman with hair loss and scalp itching was diagnosed with lichen planopilaris, treated initially with topical corticosteroids, and other possible treatments include systemic steroids, antimalarials, and more.

Different melanocyte types in hair follicles either survive or die during the catagen phase.

A teenager's hair with alternating white and dark bands, known as Pili annulati, is a genetic condition that is usually harmless and often considered attractive.

Antler velvet hair and body hair of red deer have different structures that help with protection and insulation.

SCD1 is important for hair growth by keeping the connection in skin cells where hair stem cells live stable.

Sunscreen use is linked to frontal fibrosing alopecia, especially in males.

Cysteine-rich keratins evolved independently in mammals, reptiles, and birds for hard skin structures like hair, claws, and feathers.

Hair is made of strong keratin fibers that protect against the environment.

Topical steroids can manage chronic scalp pustules in elderly women.

Dermoscopy helps diagnose frontal fibrosing alopecia by distinguishing it from other hair loss conditions.

Pangolins have lost some skin-related genes, but kept others, leading to their unique scales and skin features.

Mutations in Far2 mice cause hair loss due to sebaceous gland issues.

Trichoscopy helps tell apart Frontal Fibrosing Alopecia and Lichen planopilaris by showing different hair and scalp features.

Root hair growth mechanics depend on turgor pressure and cell wall properties.

Changing light periods synchronized wool growth cycles in sheep.

Shaving and applying erythromycin cream and clotrimazole powder effectively treated trichomycosis axillaris.

Too much Smad7 changes skin and hair development by breaking down a protein called β-catenin, leading to more oil glands and fewer hair follicles.

Polyquaternium-87 reduces hair friction the most among tested polymers.

Sebaceous glands can form new hair follicles when activated, but hair follicle bulges cannot.

The conclusion is that Erosive Pustular Dermatosis of the Scalp is a rare condition best treated with strong topical steroids and sometimes systemic treatment.

Brandt's hedgehog has thick skin on its back and many glands near its nostrils.

The elderly woman experienced hair loss and scalp itching, especially at the front hairline, and lost her eyebrows.

Lichen planopilaris is the most common type of scarring hair loss observed, with a variety of symptoms and tissue changes.