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Hair health depends on various factors and hair loss can significantly affect a person's well-being; understanding hair biology is key for creating effective hair care treatments.

Hair follicles are important for drug delivery through the skin, but better methods are needed to understand and improve this process.

Marine-derived ingredients show potential for hair health but need more human trials to confirm effectiveness.

Hair follicle stem cells can turn into many cell types and may help repair nerve damage and have other medical uses.

Procyanidin B-2 from apple juice significantly increases hair growth and may be more effective than minoxidil without side effects.

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

A woman with alopecia totalis regrew dark hair in bands after using a corticosteroid ointment.

Gender affects hair and scalp characteristics, with differences in hormone responses, graying patterns, and trace metals.

Human scalp hair follicles have PGE2 and its receptors, which might affect hair growth.

Segmental hair analysis can track testosterone over time but needs adjustments for sex, hair color, and washing frequency.

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

β-catenin in the dermal papilla is crucial for normal hair growth and repair.

The research shows that a gene called Wnt3 affects hair growth and structure, causing short hair and balding when overactive.

Noggin is necessary to start the hair growth phase in skin after birth.

Certain cells from hair follicles can create new hair and contribute to hair growth when implanted in mice.

Capsaicin, found in chili peppers, can slow down hair growth by affecting skin cells and hair follicles.

Human hair follicle organ culture is a useful model for hair research with potential for studying hair biology and testing treatments.

Prolactin contributes to hair loss by promoting hair follicle shrinkage and cell death.

Dexamethasone speeds up hair loss in mice, while cyclosporin A slows it down.

Ruby laser pulses best destroy hair follicles during the growth phase and effectiveness varies with laser intensity; melanin is key for targeting, and timing treatments can improve results.

Understanding the mouse hair cycle is crucial for cancer research.

Manipulating the catagen and telogen phases of hair growth could lead to treatments for hair disorders.

One minoxidil-sensitive potassium channel exists in human hair follicles.

Hair elemental analysis could be useful for health and exposure assessment but requires more standardization and research.

The p75 neurotrophin receptor is important for hair follicle regression by controlling cell death.

Human beard hair medulla contains a unique and complex mix of keratins not found in other human tissues.

Follistatin helps hair growth and cycling, while activin prevents it.

Melatonin helps hair growth in women with hair loss.

Scientists found a way to grow human hair cells in a lab that can create new hair when transplanted.

Human skin cells can create new hair follicles when transplanted into mice.