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Gray hair is caused by reduced melanin production or transfer issues, linked to aging and possibly health conditions, with treatments focusing on color camouflage.

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

New DNA analysis and machine learning are advancing forensic science, improving accuracy and expanding into non-human applications.

A girl with lupus had unusually long and thick eyelashes, a rare symptom of her condition.

Male pattern hair loss affects up to 80% of men due to genetics and hormone sensitivity.

The document concludes that various dermatological treatments and drugs can cause skin reactions and side effects.

A man had a rare pigmented nodule on his scalp that developed from birthmarks.

A 78-year-old man with Cronkhite-Canada syndrome improved significantly after treatment and remains symptom-free.

Micro needling is a skin treatment that helps with various skin conditions including stretch marks, by boosting collagen production, but it may cause redness and irritation.

Dermoscopic features can help identify and differentiate types of pityriasis versicolor.

Low-level laser therapy combined with NB-UVB is a safe and potentially effective treatment for stable vitiligo.

Effective treatments for common hair loss are limited and may have side effects, leading to patient disappointment and treatment discontinuation.

A 13-year-old girl was diagnosed with juvenile lupus, showing only hair loss as a symptom.

PCE-DP brightens skin and promotes hair growth by enhancing cell growth and reducing melanin uptake.

Skin changes throughout life, from development before birth to aging effects like wrinkles, influenced by both genetics and environment.

More research, better treatments, and public education are needed for dermatological conditions in people of African descent.

Skin diseases look different on pigmented and nonpigmented skin.

Oxidative stress plays a significant role in vitiligo, and both skin and non-skin cells may be involved.

The book provides a guide to cosmetic surgery for people with darker skin, covering various treatments and addressing their unique skin characteristics.

Intermittent isotretinoin can cause various skin, hair, and nail changes.

Ultraviolet light treatment with trioxsalen was ineffective for vitiligo in the cases described.

Androgenetic alopecia is a common type of hair loss in men and women, caused by a testosterone byproduct affecting hair follicles, with sensitivity determined by genetics.

The study found that in Latin America, ancestry varies by location, influences physical traits, and affects how people perceive their own heritage.

Estrogens can improve skin aging but carry risks; more research is needed on safer treatments.

A man with vitiligo and alopecia saw quick skin and hair improvement with ruxolitinib, but skin color gains were lost after stopping treatment.

Hair follicle melanocytes die during hair regression.

Most patients' skin darkening after sclerotherapy fades on its own within 6-24 months.

The article concludes that the wool follicle is a valuable model for studying tissue interactions and has potential for genetic improvements in wool production.

The document concludes that assessing hair follicle damage due to cyclophosphamide in mice involves analyzing structural changes and suggests a scoring system for standardized evaluation.

New genetic locations explain much of hair color variation in Europeans.