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Some congenital hair disorders improve in childhood or with treatments like minoxidil and retinoids, while others like Netherton syndrome and trichothiodystrophy have a poor prognosis.

A 9-year-old girl has a rare hair disorder causing beaded, sparse hair.

Avoid chemical and physical damage to protect hair.

Human hair keratins K85 and K35 create unique filament patterns important for early hair formation.

Frizzy hair is fragile and can lead to hair loss and damage if not properly cared for.

The woman's hair loss pattern doesn't match typical conditions like alopecia areata or female pattern hair loss.

Naevoid bundle hair is an unusual hair growth pattern where multiple hairs fuse together.

The document describes a method for preparing hair for microscopy by embedding it in plastic, cutting it, and storing it cold before imaging.

The medulla in Asian scalp hair has a tubular structure that allows ions and large molecules to flow through it.

Different hair types from various ethnic groups affect hair shine due to characteristics like thickness and shape.

Hair is important for social and sexual communication in humans.

Malvi cattle hair varies in color and pattern across different body regions.

Miz1 is essential for proper hair structure and growth.

Human hair cuticle has five cell layers with specific junctions and granules.

The research found that twisting hair fibers can show changes in stiffness and damage, and help tell apart different hair treatments.

Pulling 2 or fewer hairs is normal for all hair types, including Afro- and Asian-textured hair.

A specific mutation in the K25 gene causes a rare genetic disorder with curly hair at birth and later hair loss, along with dental issues.

A 4-year-old girl had a rare hair disorder affecting only part of her scalp.

Hair is mostly made of three protein types: helical, high-sulfur, and high-tyrosine.

Permanent waving weakens hair by altering its protein structure.

Hair ages as the cuticle wears down, especially beyond 1 meter from the root, affecting its strength and shine.

The G60S Connexin43 mutation causes hair growth issues and poor hair quality in mice, similar to human ODDD patients.

Agoutis in captivity have more resting (telogen) hairs than growing (anagen) hairs, regardless of season or gender.

Light microscopy is useful for diagnosing different hair disorders.

Lack of small, fine hair on the front hairline is a key sign of frontal fibrosing alopecia.

Topical 6% salicylic acid effectively reduced skin plaques in a patient with wooly hair and palmoplantar keratoderma.

Melanin density affects hair color, and this method can help in cosmetic assessments and diagnosing hair diseases.

Mice with extra sheep genes had hair that fell out and regrew in cycles.

The conclusion is that exogen is a unique hair cycle phase and the new sampling method specifically targets this stage, which may help in future hair loss research.

Trichoscopy helped diagnose and treat a child's fungal scalp infection by spotting specific hair shapes.