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Electrophoresis can effectively analyze hair proteins for forensic use, even after cosmetic treatments and up to 2 years of weathering.

A genetic hair protein variant is more common in Japanese people and is inherited.

The study showed that a specific DNA sequence can control gene expression in hair growth areas of mice.

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

The UHS promoter is specific to mouse hair follicles.

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

Two new proteins, hKAP1.6 and hKAP1.7, are found in the hair follicle cortex.

The B2C promoter works in sheep cells but not in mouse embryos.

Applying L-methionine and L-serine to the skin promotes the most hair growth.

Alopecia mucinosa is a challenging condition with unclear diagnosis and treatment.

Human hair growth and structure are influenced by keratin proteins, genes, melanin, and lipids.

Air pollution harms skin, causing aging, diseases, and cancer.

TTD hair is brittle due to fewer sulfur amino acids and unstable disulfide bonds.

New sulfur-containing steroid analogs show promise for more targeted medical treatments.

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

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

Breathing in high levels of certain air pollutants significantly increases women's risk of developing Polycystic Ovary Syndrome.

A new method accurately measures lead levels in hair to assess exposure.

Hair keratins evolved from ancient proteins, diversifying through gene changes, crucial for forming claws and later hair in mammals.

Hair coloring increases copper and calcium uptake, damaging hair and reducing shine.

The patient's hair had unique damage and a lower sulfur-to-nitrogen ratio compared to relatives, but not compared to healthy controls.

A rare scalp disease causes hair loss, pus-filled nodules, and scarring.