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Polarized dermoscopy is slightly better than nonpolarized for diagnosing hair disorders, with each method having its own strengths.

Keratin fibrils in hair form and stop growing at specific points in the follicle.

The document explains how to identify different hair problems using a microscope.

Aging alone barely affects the number of hair follicles, meaning hair loss is minimal without other conditions like androgenetic alopecia.

Latanoprost, a glaucoma drug, showed potential for promoting hair growth in bald monkeys, especially at higher doses.

Melatonin helps Cashmere goats grow more hair by affecting certain genes and cell pathways.

Procyanidin B-2 is safe to use on skin as a hair growth product.

Loss of Fz6 disrupts hair follicle and associated structures' orientation.

The article concludes that the global hair trade is exploitative and reflects complex cultural and economic issues.

Dogs could be good models for studying human hair growth and hair loss.

Further research is needed to improve hair regeneration using stem cells and nanomaterials.

New compounds were found to help increase hair growth and decrease hair loss.

Systemic diseases can cause hair loss, which is often reversible with treatment.

NF-κB is crucial for different stages and types of hair growth in mice.

Darker hair may lead to higher cortisol readings, suggesting a need to adjust for hair color in studies.

Finasteride helps hair growth by decreasing cell death in hair follicles.

Mummy hair's chemical composition may not accurately show ancient people's health due to environmental contamination.

Stem cell therapy is a promising approach for hair regrowth despite potential side effects.

Finasteride affects hair growth by changing caspase and XIAP levels, potentially treating hair diseases.

Partial hair follicle extraction can effectively double the number of hair follicles for transplants, with most surviving and growing normally after a year.

Annurca apple extract promotes hair growth by changing hair follicle metabolism to boost keratin production.

Human hair has more unsaturated fats inside than on the surface, and certain lipids may help bind the outer and inner layers together.

New techniques improve hair restoration success.

Hair follicle cells can become bone-like cells, useful for bone repair.

The tumescent technique improves hair micrografting by providing lasting anesthesia, reducing bleeding, and increasing patient comfort.

Scientists created keratinocyte cell lines from human hair that can differentiate similarly to normal skin cells, offering a new way to study skin biology and diseases.

Early hair whitening may indicate a higher risk of heart disease in young and middle-aged men.

Most patients were satisfied with diode laser hair removal and experienced no long-term side effects.

Understanding hair biology is key to developing better treatments for hair and scalp issues.

A man's gray hair got darker and thicker after using a psoriasis drug.