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Scientists discovered a unique hair protein, KAP24.1, with a special structure, found only in the upper part of hair cuticles.

A certain signaling pathway in mice, when increased, causes hair to gray by depleting the cells that give hair its color.

FGF5 gene mutations cause unusually long eyelashes by affecting hair growth regulation.

Hydrocolloid wound dressings emit energy that affects human tissue metabolism.

TGF-β2 helps activate hair follicle stem cells by counteracting BMP signals.

Researchers created a mouse with the same mutation as humans with trichothiodystrophy, showing similar symptoms and confirming the condition is due to defects in DNA repair and gene activity.

Researchers mapped and categorized specific keratin-associated protein genes on human chromosome 21q22.1.

A new keratin, hK6irs1, is found in all layers of the hair follicle's inner root sheath.

Salvia plebeia extract can stimulate hair growth.

Sox2 controls hair color by affecting pigment production in hair follicles.

Rice husk and bran extracts from the Bue Bang 3 CMU variety can potentially treat hair loss due to their antioxidant, anti-inflammatory, and anti-androgenic properties.

AIRE deficiency causes hair loss similar to alopecia areata in mice.

Blumea eriantha DC extract shows strong potential for promoting hair growth.

The chapter explains common scalp conditions, including infections, infestations, and tumors.

The 2015 Hair Research Congress concluded that stem cells, maraviroc, and simvastatin could potentially treat Alopecia Areata, topical minoxidil, finasteride, and steroids could treat Frontal Fibrosing Alopecia, and PTGDR2 antagonists could also treat alopecia. They also found that low-level light therapy could help with hair loss, a robotic device could assist in hair extraction, and nutrition could aid hair growth. They suggested that Alopecia Areata is an inflammatory disorder, not a single disease, indicating a need for personalized treatments.

Hair enzyme activity predicts minoxidil success in Brazilian women with hair loss.

Females have higher estrogen receptor levels in hair than males, and these levels decrease in white hair compared to black hair.

Plucked hair can help diagnose pemphigus vulgaris early.

Women with thinning hair have thinner hair strands than women without hair loss.

Antiandrogen therapy helped increase hair growth in women with hormonal imbalances related to baldness.

Spiny mice are better at regenerating hair after injury than laboratory mice and could help us understand how to improve human skin repair.

Scalp hair grows at 0.37 mm/day, forearm hair at 0.18 mm/day, and thigh hair at 0.30 mm/day, with no significant differences found in people with certain hair conditions.

Diagnosing alopecia areata is challenging and requires careful examination and various tests to distinguish it from other hair loss types.

Dermatoscopy is a useful tool for diagnosing hair disorders and can help choose samples for more detailed analysis.

The study suggests that a new protease inhibitor can make hair harder to pull out, potentially reducing hair loss.

A man with Woolly Hair Syndrome had very curly, fragile hair, and doctors used a special scalp examination to diagnose him without invasive tests.

Hair loss reduces hair thickness and coverage, but drug treatments mainly revive dormant hairs rather than reverse thinning; patients often undervalue their hair loss severity.

Fluconazole can cause hair loss, but the exact cause is unknown.

Zolpidem shows up in hair from the top back of the head after one dose and fades over time, suggesting it gets into hair through blood and sweat.

Different scalp imaging methods are important for studying hair and scalp health and require more volunteers for better evaluation.