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Ionizing radiation damages human hair follicles by stopping cell growth, causing cell death, disrupting color, and increasing stress and damage markers.

The document concludes that immune system abnormalities cause alopecia areata, but the exact process is still not completely understood.

Scientists can grow human hair follicle stem cells in a lab without changing their nature, which could help treat hair loss.

Dexpanthenol helps human hair follicle cells grow by preventing aging and death, and by supporting growth signals.

Decorin helps keep hair follicle stem cells and may prevent age-related hair loss.

Human nails and hair follicles have similar gene activity, especially in the cells that contribute to their growth and development.

Some thymic peptides can increase human hair growth, while others may inhibit it.

Apoptosis helps shape hair growth and prepares the skin for hair to emerge.

Intense pulsed light treatment mainly damages pigmented hair parts but spares stem cells, allowing hair to regrow.

Platelet factor 4 slows down hair growth and could make hair loss treatments more effective if removed.

mTORC1 activity is important for hair growth and color, and targeting it could help treat hair loss and greying.

Targeting drugs to hair follicles can treat skin conditions, but reaching deep follicle areas is hard and needs more research.

The document concludes that understanding how cells in the hair follicle grow and change is important for regulating hair growth.

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

Scientists created a lab-grown hair follicle model that behaves like real hair and could improve hair loss treatment research.

The document concludes that using stem cells to regenerate hair follicles could be a promising treatment for hair loss, but there are still challenges to overcome before it can be used clinically.

Melatonin may help improve hair growth in people with certain types of hair loss.

Researchers made a detailed map of gene activity for different parts of human hair follicles to help create targeted hair disorder treatments.

The research identified specific genes that are active in the cells crucial for hair growth.

Cyclohexyl salicylate promotes human hair growth and increases certain hair follicle stem cell progeny.

The model can effectively test gene functions and drug responses in human skin.

Different thymic peptides affect hair growth in various ways.

Testosterone and dihydrotestosterone can slow down the growth of certain hair follicle cells.

Melanin granules can be expelled by exocytosis.

Trichoriboside treatment helps maintain scalp hair by increasing cAMP levels in hair follicles of men with hair loss.

Researchers successfully isolated and identified key markers of stem cell-enriched human hair follicle bulge cells.

Oxidative stress causes hair to gray by damaging and killing pigment cells.

Scientists found a new, less invasive way to study body clocks using hair cells, which shows shift workers' body clocks don't match their lifestyles.

Low fluence photoepilation temporarily removes hair by targeting the hair follicle's pigmented area without severe damage.

A reliable system was developed to distinguish hair growth stages, aiding in identifying hair growth promoters or inhibitors.