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The document concludes that the hair cycle is a complex process involving growth, regression, and rest phases, regulated by various molecular signals.

Chemotherapy damages hair follicles, causing hair loss and other cellular changes.

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.

TrichoScan helps identify subtle hair thinning in women with androgenetic alopecia.

The document concludes that while lab results for hair growth promotion are promising, human trials are needed and better testing methods should be developed.

In vivo confocal scanning laser microscopy is an effective, non-invasive way to study and measure new hair growth after skin injury in mice.

Researchers created a lab model to study human hair growth, showing it can grow and self-regulate outside the body.

The method allows for 3D tracking of hair follicle stem cells and shows they can regenerate hair for up to 180 days.

Inflammation around hair follicles leads to hair loss, and treatments should focus on reducing this inflammation and other factors for effectiveness.

Air pollution can cause hair loss, and using antioxidants, special shampoos, and coconut oil can improve scalp health and hair density.

Too much or too little selenium in the diet can cause hair loss and graying in mice.

Platelet rich plasma therapy significantly improves hair growth and increases the number of hair follicles in men with androgenetic alopecia.

Estrogen and androgenic hair increase melanoma risk, especially in European-ancestry individuals.

Most people in the surveyed area experience hair loss, but they are not aware of the role of diet, iron, hormones, genetics, and possibly water quality in causing it.

The document concludes that specialized hair transplant techniques can be effective, with varying success rates depending on the donor area and patient factors.

A new peptide, FOL-005, may help treat excessive hair growth by reducing a hair growth promoter, FGF7.

Double-stranded RNA helps regenerate hair follicles by increasing retinoic acid production and signaling.

Eating a balanced diet with vitamins, micronutrients, and antioxidants is important for hair health and can help with hair loss.

The patient's hair loss is most likely due to diffuse alopecia areata.

Trichoscopy is a helpful and quick method to identify different types of hair loss in women.

AGA causes hair loss by shrinking hair follicles due to DHT binding, and can be treated with finasteride and minoxidil.

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

Topical drugs and near-infrared light therapy show potential for treating alopecia.

Hair can regrow after certain stem cells are lost because other stem cells can take over their role.

Accurate clinical, histological, and genetic methods are key for understanding and treating hair disorders.

Nd:YAG laser can reduce hair with multiple treatments, but permanent removal isn't guaranteed.

Topical tofacitinib may grow hair better than minoxidil by increasing VEGF and reducing inflammation.

Crataegus pinnatifida extract may help increase hair growth and thickness in mice.

Hair regrowth doesn't convert thin hairs to thick hairs, but increases overall hair density.

The study found new details about human hair growth and suggests that preventing a specific biological pathway could potentially treat hair graying.