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Stress stops hair growth in mice by causing early hair growth phase end and harmful inflammation through a specific nerve-related pathway.

Dermatologists need to understand hair products to treat hair and scalp issues better.

Mouse hair follicle cells briefly grow during the early hair growth phase, showing that these cells are important for starting the hair cycle.

Wool follicles are complex, involving interactions between different cell types and structures.

Estrogen therapy helped regrow hair in a bald man.

Understanding hair follicle structure is key for treating hair disorders and could help develop new treatments.

Human hair varies widely and should be classified by curl type rather than race.

The PLP2 gene affects cashmere fiber quality in goats and is linked to hair growth and loss.

Chamomile extract can protect hair from damage caused by light.

Hair can't be reliably repaired once damaged; prevention and proper product use are key to maintaining hair health.

The document suggests using safer, plant-based hair products instead of harmful synthetic ones.

The document explains hair and nail biology, common hair loss conditions and treatments, oral and genital skin diseases, and the risks and treatments associated with squamous cell carcinoma.

Certain cultural hair practices might cause baldness by affecting natural hair oils and stem cell delivery to hair follicles.

Finasteride can have lasting negative effects on brain function and behavior by disrupting neurosteroid production.

Aging causes hair to gray and thin, with the timing of graying varying by race, and factors like oxidative stress and genetics can lead to hair loss.

New findings suggest targeting IL-23 could treat psoriasis, skin cells can adapt to new roles, direct conversion of skin cells to blood cells may aid cell therapy, removing certain tumor cells could boost cancer immunotherapy, and melanoma may have many tumorigenic cells, not just cancer stem cells.

Hair growth is cyclic and influenced mainly by local factors.

Understanding gene expression in hair follicles can reveal insights into hair growth and disorders.

Stress can worsen skin and hair conditions by affecting the skin's immune response and hormone levels.

Hair and nail cells share similar proteins, indicating a common differentiation pathway.

Telogen effluvium is a reversible hair loss condition that requires a detailed diagnosis and often resolves on its own.

Hair follicle stem cells are key for hair and skin regeneration, can be reprogrammed, and have potential therapeutic uses, but also carry a risk of cancer.

Vitamin D and its receptor regulate skin functions like cell growth, immunity, hair cycle, and tumor prevention.

Some drugs can cause hair loss or increase hair growth, but these effects are usually reversible when the drug is stopped.

Skin aging is due to impaired stem cell mobilization or fewer responsive stem cells.

K6hf is a unique protein found only in a specific layer of hair follicles.

The TGM3 gene's promoter region is key for skin and hair cell function and may aid gene therapy.

A cluster of sulfur-rich hair protein genes was found on chromosome 17.

The Foxn1 gene mutation causes hairlessness and immune system issues, and understanding it could lead to hair growth disorder treatments.

Drosha and Dicer are essential for hair follicle health and preventing DNA damage in skin cells.