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A new method using gentian violet dye makes it easier to see and work with white hair in hair transplant surgeries.

The study found that giant pandas have more melanin in black hair follicles than white, with gene expression differences that could affect hair color and skin health.

White hair grows thicker and faster than black hair due to higher activity of growth-related genes and proteins.

Vitiligo is a skin condition causing white spots, more common in women, often starts before age 20, and can affect mental health.

Laser hair removal is effective for dark hair but needs improvement for nonpigmented or fine hairs.

Transplanted skin on hooded rats often grows white hair instead of black.

A man's chest hair turned white after a shingles infection, possibly due to virus-damaged pigment cells.

An 81-year-old man's white hair began to regain its original color while he was treated with lenalidomide, suggesting that graying hair might be reversible.

Hair cortisol is a reliable stress indicator in cattle but may not be valid for pigs.

Alopecia areata is an autoimmune condition causing hair loss due to the immune system attacking hair follicles, often influenced by genetics and stress.

Gamma-rays exposure during the resting phase of hair growth can damage hair regeneration and color in mice.

The document concludes that the trichogram is a useful tool for diagnosing hair loss and suggests semi-organ cultures for practical trichological research.

The study found that white hair in vitiligo has specific patterns and structures, which vary with the stage of the disease and may be similar to another hair condition.

Finding eosinophils near hair bulbs helps diagnose alopecia areata.

Trichoscopy can effectively tell apart tinea capitis and alopecia areata in children by looking for specific hair shapes.

Radiation mainly affects keratinocyte stem cells, not melanocyte stem cells, causing hair to gray.

Trichoscopy is good for telling apart tinea capitis and alopecia areata in kids.

Aging scalp skin contributes to hair aging and loss, and more research is needed to develop better hair loss treatments.

Hair gets thinner and grayer with age, and density decreases more in men on top and in women on top and back.

Triangular temporal alopecia is a benign hair loss pattern best diagnosed with dermoscopy, with limited treatment options like surgery and hair transplantation.

ALDOA levels drop in hair cells during hair loss.

The document concludes that accurate diagnosis and appropriate management are crucial for treating various hair disorders, which have significant psychological impacts.

Alopecia areata is a hair loss condition that often starts before age 30 and can affect various body parts, with unpredictable hair regrowth chances.

Intestinal stem cells can help repair skin damage from radiation.

Swiss Holstein cattle with curly, short hair carry genes from the Simmental breed.

Pilocarpin can cause hair regrowth and color change in some cases but not in others, and it may have side effects in animals.

Women's hair generally gets thinner and less dense starting in their mid-thirties, with hair loss becoming more common as they age due to both genetics and environment.

The document concludes that periocular hair disorders have various causes and treatments, and proper evaluation by specialists is important for management and prognosis.

Stress does not greatly speed up aging or hair loss in politicians.

A 13-year-old boy had a rare, stable type of hair loss with little chance of regrowth, but treatment is available for looks.