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Transplanting chest hair into scars can effectively treat wide donor scars from hair restoration surgery.

Using a polarized LED magnifier during hair transplants eases recipient site creation and reduces eye strain but doesn't improve graft creation or placement.

Hair transplantation is the best treatment for hair loss, with new technologies improving results, and stem cell and gene therapies may treat severe baldness in the future.

Increasing the levels of a protein called FGF9 can promote hair growth, but humans may not respond the same way due to a lack of certain cells.

Using a polarized LED magnifier during hair transplants makes creating recipient sites easier and may increase hair density.

Androgenetic alopecia causes hair loss by shrinking hair follicles due to androgens, with the connection between the muscle and hair follicle determining if the loss is reversible.

Skin stem cells are crucial for maintaining and repairing the skin and hair, using a complex mix of signals to do so.

Alopecia areata is an autoimmune disease where T cells attack hair follicles.

Stem cells are crucial for skin repair and new treatments for chronic wounds.

Androgens can both increase and decrease hair growth in different parts of the body.

Hair follicle dermal stem cells are key for regenerating parts of the hair follicle and determining hair type.

Hair follicles are normally protected from the immune system, but when this protection fails, it can cause hair loss in alopecia areata.

Modulating BMP activity changes the number, size, shape, and type of ectodermal organs.

Skin grafts on mice can cause an immune response leading to hair loss, useful for studying human hair loss conditions.

Nerves and chemicals in the body can affect hair growth and loss.

Scientists created stem cells that can grow hair and skin.

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

No treatment fully prevents hair loss from chemotherapy yet.

The skin protects the body and is constantly renewed by stem cells; disruptions can lead to cancer.

New methods for skin and nerve regeneration can improve healing and feeling after burns.

Skin development in mammals is controlled by key proteins and signals from underlying cells, involving stem cells for maintenance and repair.

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

Advanced human skin models improve drug development and could replace animal testing.

The document concludes that for hair and feather growth, it's better to target the environment around stem cells than the cells themselves.

Hair growth is influenced by interactions between skin layers, growth factors, and hormones, but the exact mechanisms are not fully understood.

Multiphoton microscopy is a promising tool for detailed skin imaging and could improve patient care if its challenges are addressed.

Improving the environment and cell interactions is key for creating human hair in the lab.

Stress may trigger hair loss by affecting immune protection in hair follicles.

Nude mice with grafted human skin developed scars similar to human hypertrophic scars.

Hair loss treatments include medications and new methods like low-level light therapy, which may work by boosting cell activity and blood flow.