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About 21.3% of young, healthy Chinese men experience hair loss. Hairlines are mostly linear or have a central protrusion. Hair is densest on the top and back of the head, and hair follicles usually have 1 or 2 hairs. This information can help in designing hair restoration procedures.

Prunus Tomentosa extract is effective in promoting hair growth, similar to minoxidil.

Women's hair gets thinner and grayer as they age, with treatments available for hair loss and graying.

Growing hair follicles have high mitochondrial activity and ROS in specific regions, aiding hair formation.

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

Some plant-based chemicals may help with hair growth, but more research is needed to confirm their effectiveness.

Some herbs and their components might help treat hair loss by affecting various biological pathways, but more research and regulation are needed.

The document concludes that skin stem cells are important for hair growth and wound healing, and could be used in regenerative medicine.

PRP treatment helps hair growth in most cases, but more research needed.

Different types of hair loss have unique features under a microscope, but a doctor's exam is important for accurate diagnosis.

The microneedle device with rapamycin and epigallocatechin gallate effectively promoted hair regrowth in mice.

Giving selenium yeast to pregnant goats leads to better hair growth and cashmere quality in their babies.

Dutasteride effectively increases hair density in women with hair loss.

A gene called APCDD1, which controls hair growth, is found to be faulty in a type of hair loss called hereditary hypotrichosis simplex.

Some postmenopausal women with frontal fibrosing alopecia stopped losing hair with finasteride treatment, hinting at a possible hormonal cause.

Mice lacking a key DNA methylation enzyme in skin cells have a lower chance of activating stem cells necessary for hair growth, leading to progressive hair loss.

The document concludes that there is no agreed-upon best method for measuring drug delivery within hair follicles and more research is needed to validate current techniques.

Most hair loss in captive rhesus macaques is likely due to environmental and behavioral factors.

Hair loss is a rare but recognized symptom of pemphigus vulgaris, with patients usually regrowing hair after treatment.

Alopecia areata involves immune response and gene changes affecting hair loss.

The document concludes that understanding dermal papilla cells is key to improving hair regeneration treatments.

The article concludes that hair loss is a common side effect of drugs treating skin cancer by blocking the hedgehog pathway, but treatment should continue, and more selective drugs might prevent this side effect.

PRP preservation improves hair transplant results better than saline.

An apple-based supplement was found to stimulate hair protein production, which may help with hair growth.

The study found average numbers for different types of hair follicles in the scalp and observed differences between men and women, suggesting reasons for more common hair shedding in women.

Phyllanthus niruri extract may help treat hair loss by promoting hair growth and blocking a hair loss-related enzyme.

Jagged1 and Epidermal Growth Factor together significantly increased hair growth in mice with androgen-suppressed hair.

Dermal EZH2 controls skin cell development and hair growth in mice.

Bee venom can help stem cells promote hair growth.

The study concluded that changing the culture conditions can cause sika deer skin cells to switch from a flat to a 3D pattern, which is important for creating hair follicles.