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Men with baldness due to androgenetic alopecia still have hair stem cells, but lack specific cells needed for hair growth.

Touching hair can activate nearby nerve cells through signals from the hair's outer layer.

Platelet-Rich Plasma (PRP), a protein-rich extract from a patient's blood, shows promise in improving hair density, thickness, and quality, but the best method of use and number of treatments needed for noticeable results are still unclear.

Memory T cells in the skin balance staying put and moving into the blood, clustering around hair follicles, and increasing in number after infection.

Encapsulated human hair cells can substitute for natural hair cells to grow hair.

Activating the Wnt/β-catenin pathway could lead to new hair loss treatments.

Epidermal Growth Factor helps hair follicle cells grow and move by activating a specific cell signaling pathway.

Carrot extract in gel form may help hair grow better.

Early treatment and lifestyle changes are important for managing PCOS in young people to prevent long-term health issues.

A man lost all his hair as a rare side effect after hepatitis C treatment.

A new strain of bacteria from the human skin can help prevent hair loss.

High-frequency ultrasound can effectively visualize and assess hair loss.

Stem cell and platelet-rich plasma therapies show promise for COVID-19 related hair loss, but more research is needed.

Hair loss, known as Androgenetic Alopecia, is often caused by hormones and can be diagnosed using noninvasive techniques. Treatments include topical minoxidil and oral finasteride, with new treatments being explored. There may also be a link between this type of hair loss and heart disease risk.

New regenerative medicine-based therapies for hair loss look promising but need more clinical validation.

The 2015 Hair Research Congress concluded that stem cells, maraviroc, and simvastatin could potentially treat Alopecia Areata, topical minoxidil, finasteride, and steroids could treat Frontal Fibrosing Alopecia, and PTGDR2 antagonists could also treat alopecia. They also found that low-level light therapy could help with hair loss, a robotic device could assist in hair extraction, and nutrition could aid hair growth. They suggested that Alopecia Areata is an inflammatory disorder, not a single disease, indicating a need for personalized treatments.

Ruxolitinib helps protect skin stem cells and keeps skin healthy in mice with skin GVHD.

PRP improves hair transplant results in androgenetic alopecia patients.

Topical minoxidil helps treat hair loss in teens, but more research needed for safe options.

Micrografts improve hair density and thickness without side effects.

Caucasian women's hair appears thickest in their 20s, with perceived thinning after mid-30s due to both decreasing density and diameter.

Hair loss in lupus is different from hair loss in alopecia areata and may indicate lupus activity.

Colchicine can inhibit hair growth by affecting cell activity and protein expression in hair follicles.

Platelet-Rich Plasma and stem cell therapy can increase hair count and density, but the best method for preparation and treatment still needs to be determined.

Cosmetic foam product reduces hair loss and increases hair density in men.

Radiation increases cell death in hair follicles, but certain treatments can protect against this effect.

COVID-19 can cause hair loss, and treatments like PRP and stem cells might help.

Lanceolate complexes in mouse hair follicles are essential for touch and depend on specific cells for maintenance and regeneration.

RANKL causes lymph nodes to grow by making certain cells multiply.

Wool follicle cells are more complex than previously thought.