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As people age, their hair follicles produce less pigment, leading to gray and white hair, due to factors like reduced enzyme activity and damage to melanocyte DNA.

A new hair transplant method combines individual and group follicles for better results and efficiency.

Abnormal contraction of connective tissue in hair follicles causes hair loss by killing off important cells, and treating this could improve hair growth.

Human stem cells can help form hair follicles in mice.

Diazoxide applied to the skin can increase hair growth without harmful side effects.

White hair patch repigmented and hair regrew in a balding patient after treatment with exosomes and laser.

The research found specific genes that are more active in balding cells, which could be causing hair loss.

FGF9 from certain T cells helps create new hair follicles during wound healing, which could potentially be used for hair loss treatments.

The document concludes that hair restoration has advanced significantly, with FUE becoming more popular, and stresses the importance of physician training and ethical practices in the field.

Minoxidil effectively promotes hair regrowth in younger patients with small balding areas.

A new microneedle patch effectively promotes hair growth by increasing blood vessel formation around hair follicles.

Certain cultural hair practices might cause baldness by affecting natural hair oils and stem cell delivery to hair follicles.

PGD2 stops hair growth and is higher in bald men with AGA.

Mouse hair follicle cells briefly grow during the early hair growth phase, showing that these cells are important for starting the hair cycle.

Blocking the FGF5 gene in sheep leads to more fine wool and active hair follicles due to changes in certain cell signaling pathways.

Mechlorethamine treatment regrew hair in mice by killing immune cells causing hair loss without harming hair follicles.

Botulinum toxin injections may help treat hair loss by blocking harmful secretion in hair follicles.

Nanostructured delivery systems could potentially improve hair loss treatment by targeting drugs to hair follicles, reducing side effects and dosage, but the best size, charge, and materials for these systems need further investigation.

Men with early balding showed higher levels of certain genes linked to hair loss and possibly prostate cancer.

The document concludes that hair loss in women is complex, often linked to aging, health conditions, and nutritional deficiencies, and emotional impacts should not be underestimated.

Fibrosing alopecia in a pattern distribution is a unique hair loss condition with inflammation and scarring, resembling but distinct from common balding.

All-trans retinoic acid causes hair loss by increasing TGF-β2 in hair follicle cells.

A long-acting Vitamin C derivative helps hair grow by stimulating cells and increasing growth factors.

Photoacoustic imaging can accurately assess hair follicle density and orientation for hair transplant planning.

Both human platelet lysate and minoxidil can promote hair growth, but they affect different genes and cell survival rates.

Male hair loss is caused by inactive hair follicle stem cells.

Blocking Prostaglandin D₂ may help treat hair loss.

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

Blocking Oncostatin M's role in the JAK-STAT pathway can stimulate hair growth in mice.

The document concludes that there are various causes and treatments for hair loss, with hair transplantation being a notable option.