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Trichogerminoma is a rare, benign skin tumor from hair cells, with a small risk of becoming cancerous.

Chitosan slows root hair growth and causes a buildup of callose at low concentrations, but at high concentrations, it only inhibits growth without callose buildup.

Researchers found a gene mutation responsible for a rare hair loss condition.

People with Myotonic Dystrophy type 1 are more likely to have certain skin conditions, but not more likely to get skin cancer.

Avoiding dyed wigs and clothing improved severe allergic reactions in a woman treated with diphencyprone.

Athletes need effective management of skin disorders for their performance and well-being.

Men and women respond differently to drugs for COVID-19, high cholesterol, and diabetes, which suggests a need for personalized treatments.

Microneedling helps increase the absorption of a melanin product into hair follicles, which may improve laser hair removal effectiveness.

Old C57BL/6 mice with unsynchronized hair cycles show less melanin in their spleens.

Melanin absorbing light is necessary but not enough for effective hair removal by light treatment.

Melanin-rich skin has unique challenges in diagnosing and treating skin diseases.

Melanocytes are destroyed by factors needed for melanin production, causing vitiligo and gray hair.

Tiger tail bands in hair are caused by wavy hair fibers with melanin, unlike straight fibers in normal hair.

Hair acts as a significant natural sun barrier, with protection increasing based on hair density, thickness, and melanin presence.

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

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.

Hair follicle melanocytes die during hair regression.

Laser hair removal has advanced to effectively reduce hair for various skin types and hair colors.

Lasers and light sources can effectively remove hair, work best on fair skin with dark hair, and usually need multiple treatments.

Condensed nanofat with fat grafts effectively improves atrophic facial scars.

Darker hair in guinea pigs holds more codeine than lighter hair.

Other common signs, not just the well-known immune cells around hair bulbs, are important for diagnosing hair loss from alopecia areata.

Cyclosporine A promotes hair growth and prolongs the active growth phase in human hair follicles, but may work differently than in rodents.

Ruby laser hair removal significantly reduces hair density.

Laser hair removal can be safe and effective for dark-skinned individuals with the right laser settings.

Chesapeake Bay retrievers' hair loss is likely a breed-specific, hereditary condition linked to abnormal steroid levels and distinct skin changes.

Blond hair lightens more with visible light directly, while ultraviolet light lightens it after washing by damaging other hair parts.

The document concludes that while white skin, nail, and mucosa diseases increase skin cancer risk, they are generally harmless, especially compared to darker pigmentation conditions.

Repeated dyeing and shampooing cause hair color loss and damage.

Human hair medulla doesn't break down hydrogen peroxide, which may affect hair color formation.