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Some chemicals can permanently or temporarily remove color from skin and hair, which can be distressing and is not well-regulated in cosmetics.

Minoxidil, originally a blood pressure medication, is effective in treating hair loss in men and women, with different strengths recommended for each.

Androgenic alopecia, a common hair loss condition, is linked to changes in androgen metabolism and genetics, and can be treated with finasteride and minoxidil, but these treatments are only fully effective in 10% of patients.

Multi-omics techniques help understand the molecular causes of androgenetic alopecia.

Hair loss is common in autoimmune diseases and can be an early sign of the condition, often requiring prompt treatment to prevent permanent damage.

Hair sheds gradually from the follicle, with readiness to shed indicated by less attachment material.

Hair loss in Androgenetic Alopecia is caused by genetics, aging, and lifestyle, leading to hair follicle shrinkage and related health risks.

Hair follicle stem cells in hairpoor mice are disrupted, causing hair loss.

More dermal papilla cells in hair follicles lead to larger, healthier hair, while fewer cells cause hair thinning and loss.

Hair follicle stem cells can generate all hair cell types, skin, and sebaceous glands.

Thyroid hormones help hair grow, reduce hair loss, and increase hair pigment.

The scalp's microorganisms significantly affect hair health and disease.

Recognizing the different stages of alopecia areata is crucial for accurate diagnosis and treatment.

The article concludes that developing in vitro models for human hair structures is important for research and reducing animal testing, but there are challenges like obtaining suitable samples and the models' limitations.

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

The document concludes that using specific tools and tests is essential for identifying the cause of hair loss and deciding on the right treatment.

Some men lost hair after deoxycholic acid treatment for neck fat, but most saw improvement or resolution.

Epidermal stem cells create and maintain skin structures like hair and nails through specific signaling pathways and vary by location and function.

The document concludes that recognizing specific histological features of different nonscarring alopecias is crucial for accurate diagnosis and understanding hair loss progression.

Gray hair regained color after thyroid hormone treatment.

Hair loss in certain mice is linked to changes in keratin-related genes.

Melatonin helps hair grow by activating a specific signaling pathway.

The mTOR signaling pathway is crucial for hair health and targeting it may lead to new hair loss treatments.

The research found that a protein called PPARg is important for the formation and healing of sebaceous glands, which can regenerate independently from hair follicles.

The enzymes Tet1, Tet2, and Tet3 are important for the development of hair follicles and determining hair shape by controlling hair keratin genes.

Skin health and repair depend on the signals between skin stem cells and their surrounding cells.

Glycogen metabolism is important for energy and processes in human hair follicles, and hair follicles may produce glucose from lactate.

miR-486 may help prevent hair loss in alopecia areata.

Immune cells might contribute to hair loss caused by a specific mutation.

Neoplasms hide in hair follicles to avoid the immune system.