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A new pair of mouse keratins, 65 kD and 48 kD, are found in specific skin areas and are linked to a unique skin differentiation type.

Zinc therapy improved hair health in a girl with acrodermatitis enteropathica.

The hair disorder was caused by abnormal protein formation, making hair easily damaged.

The study found that variations in hair protein genes are likely due to evolutionary deletions or duplications.

Two new gene clusters important for hair formation were found on human chromosome 11.

The KAP13-3 gene in sheep affects wool quality by influencing keratin assembly.

Two specific genes are more active during hair growth in mice.

The study found no common cause for a girl's crystalline cataract and uncombable hair, suggesting their co-occurrence might be coincidental.

Trichothiodystrophy involves brittle hair due to low sulfur amino acids, not a transport defect.

Bleaching hair causes significant damage by breaking down proteins and fatty acids.

Sheep have a unique gene, KAP8-2, that humans don't have, which may affect wool properties.

Conditioning agents, especially jojoba oil and lauryl PEG/PPG-18/18 methicone, protect and strengthen chemically straightened Afro-ethnic hair.

Vitamin D Receptor is needed for hair growth in mice but not for skin stem cell maintenance.

Clim proteins are essential for maintaining healthy corneas and hair follicles.

High doses of some contraceptive steroids cause health issues in dogs, but their relevance to humans is unclear.

Chemical treatments like dyeing, perming, and bleaching damage hair by altering amino acids and lipids.

Sunlight exposure ages hair, making it brittle, stiff, and dry.

High doses of norethindrone acetate in rats caused various organ changes but didn't significantly increase tumor rates.

Keratin structure changes during keratinization, but the exact model remains uncertain.

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

Cysteines in wool fibers are accessible and form important disulfide bonds.

Mummy hair's chemical composition may not accurately show ancient people's health due to environmental contamination.

A new mutation in the Hr gene causes hair loss in mice, similar to a human hair disorder.

Overexpression of hurpin in mice leads to abnormal skin and higher skin cancer risk.

Prenatal diagnosis of trichothiodystrophy is possible in the second trimester using fetal eyebrow biopsy, with sulfur content analysis being more reliable.

Chemical treatments and daily stresses damage hair, especially the cuticle layer.

ODC transgenic mice can model human hair loss with skin lesions.

Thioglycolate lotions are the most popular method for permanent waving and hair straightening.

Alopecia mucinosa causes red, raised skin patches and hair loss.

Acne inversa is an epithelial-driven disease where inflammation is caused by cyst rupture, and treatments should focus on preventing tendril growth for better results.