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Aging causes changes in the scalp that can affect hair growth and lead to older-looking hair in women.

Stem cell therapies show promise for hair regrowth in androgenetic alopecia.

The conclusion is that accurate diagnosis of different types of hair loss requires good teamwork between skin doctors and lab experts.

Most nonbald men's multi-hair follicles are naturally positioned perpendicular to a line from the scalp's crown, which is important for natural-looking hair transplants.

Scalp cooling effectively reduces hair loss from chemotherapy.

Scarring alopecias are complex hair loss disorders that require early treatment to prevent permanent hair loss.

Hair loss greatly lowers perceived health in both genders, and hair transplant surgery notably improves this.

The best treatment for Frontal Fibrosing Alopecia and Lichen Planopilaris combines oral and topical medications to reduce symptoms and stop hair loss.

Hair ages due to genetics and environmental factors, leading to graying and thinning, with treatments available for some conditions.

Hair loss occurs due to fewer papillary cells, smaller follicles, and shorter growth phases.

Most men's multi-hair follicles naturally stand perpendicular to a line from the top of their head, which is important for natural-looking hair transplants.

Use shallow cuts, small tissue removal, careful suturing, and keep the area moist to reduce scarring in hair transplants.

The long-pulsed alexandrite laser is effective for hair reduction, particularly for light-skinned individuals with dark hair, but caution is needed for darker skin.

The mini-lift is a less invasive face-lift for younger patients that is quicker, cheaper, and has a fast recovery, but is less effective for the midface and excessive neck skin.

Tissue engineering could be a future solution for hair loss, but it's currently expensive, complex, and hard to apply in real-world treatments.

Finasteride increases hair count and improves hair growth with low risk of side effects.

Hair transplant surgeries can be improved by preserving follicles in a special solution, and surgeries done at outpatient facilities are more profitable than those at hospitals.

The Rapid Fire Hair Implanter Carousel may allow faster hair transplants with less bleeding and similar healing and growth compared to manual methods.

Prostaglandin D2 blocks new hair growth after skin injury through the Gpr44 receptor.

Mutations in the PADI3 gene are linked to a higher risk of scarring hair loss in women of African descent.

A new small peptide may help hair growth by activating a specific receptor and should be tested in humans.

Cholesterol-related compounds can stop hair growth and cause inflammation in a type of scarring hair loss.

Frontal fibrosing alopecia is a poorly understood condition with increasing cases and unclear treatment effectiveness.

Some nonsurgical hair loss treatments are effective, especially if started early.

Scalp cooling can prevent chemotherapy-induced hair loss, and certain treatments can speed up hair regrowth, but more research is needed for better treatments.

Herbal extracts may help hair grow and could be an alternative to synthetic hair loss treatments.

Nutritional supplements may help improve hair growth in female pattern hair loss.

Tiny particles from stem cells help activate hair growth cells and encourage hair growth in mice without being toxic.

Ginseng, especially its component ginsenosides, can promote hair growth, reduce hair loss, and potentially treat conditions like alopecia by affecting cell pathways and cytokines.

Pregnant women's hair gets thicker.