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A woman with a rare scalp lymphoma had unusual hair loss after treatment.

Testosterone affects hair follicles differently across body sites, with beard hair follicles showing more activity of a specific enzyme and presence of androgen receptors compared to scalp hair.

The document concludes that while some hair and scalp disorders can be treated, hair loss from destroyed follicles is permanent, and damaged hair can only regrow naturally.

Androgens can both promote and prevent hair growth due to differences in gene expression in hair follicles.

Hair follicles can help wounds heal faster and this knowledge could be used to treat chronic skin ulcers, with a potential use of a special stem cell hydrogel to enhance healing.

Human hair growth is influenced by androgen hormones, and red deer mane follicles have similar hormone receptors.

Hair loss reduces hair thickness and coverage, but drug treatments mainly revive dormant hairs rather than reverse thinning; patients often undervalue their hair loss severity.

Human hair follicles can be used to create heart muscle cells.

Transplanted hair follicles can resist hair loss from an autoimmune condition better than natural hair.

Hair transplant combining scalp and beard hair with PRP was successful for scarring alopecia.

A boy had unusual synchronized hair growth with short active growth phases, not fitting known hair disorders.

CE-PTG is a better method for analyzing hair growth in androgenetic alopecia.

Human hair follicle dermal cells can help repair damaged hair follicles.

Using body hair with scalp hair for hair transplants improves density and coverage in severe hair loss cases.

Testing hair roots with a special dye is a simple, non-invasive way to check disease progress in pemphigus vulgaris patients.

Minoxidil is less effective on eyebrows and eyelashes than scalp hair because these areas have lower enzyme activity needed to activate the drug.

Melatonin improved secondary hair growth in goats but didn't affect primary hair density or litter size.

Artemis protein may help control hair growth and health by influencing cell processes.

Eating raw cheonggukjang improves scalp hair in middle-aged women.

Central lipohypertrophy in HIV-infected women may lead to shorter eyelashes.

The document concludes that using small hair grafts has improved facial and scalp hair restoration.

Androgens can both stimulate and cause hair loss, and understanding their effects is key to treating hair disorders.

Drugs penetrate scalp skin better than abdominal skin, with scalp hair follicles aiding in higher drug delivery.

Estrogens generally inhibit hair growth and improve skin quality, but their exact effects on hair follicles are complex and not fully understood.

Camellia japonica extract may improve scalp health and promote hair growth.

The document explains how hair follicles develop, their structure, and how they grow.

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

Amelanotic melanocytes from hair follicles are immature and likely don't transfer melanosomes to keratinocytes.

Hair follicle-like structures can form when specific hair cells are mixed and implanted in mice.

Stress-related substance P may lead to hair loss and negatively affect hair growth.