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Hormones and genetics affect hair growth and patterns, with some changes reversible and others not.

Nanocrystals improve skin penetration and stability of caffeine, suggesting a new method for delivering similar substances through the skin.

Chronic hair shedding may be caused by less variation in hair growth times and might stop on its own after several years.

Human leukocytes and beard hair follicle cells have internal daily clocks, and PER1 and PER3 genes may indicate individual circadian rhythms.

Spironolactone reduces the number of androgen receptor sites in rat skin by blocking them with its metabolite.

Dihydrotestosterone specifically binds to hamster sebaceous glands, with a higher affinity than testosterone.

Minoxidil works well as a high permeability reference drug for biopharmaceutics classification.

Photography is essential for tracking hair disease progression, especially with consistent lighting and documenting specific scalp areas.

The document concludes that a woman has both Frontal Fibrosing Alopecia and Lichen Simplex Chronicus, a previously unreported combination of conditions.

Scientists have found a way to create hair follicles from skin cells of newborn mice, which can grow and cycle naturally when injected into adult mouse skin.

Hair loss increases with age; alcohol raises risk, more female partners lowers it.

Finasteride effectively blocks enzyme causing male pattern baldness.

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

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

Benzo[c]quinolizin-3-ones are effective nonsteroidal inhibitors of human steroid 5α-reductase 1.

South American camelids should be sheared early, fleece type affects fiber quality, and the S/P follicle ratio doesn't distinguish between Bolivian llama genotypes.

Researchers created a skin treatment that could effectively deliver medication into hair follicles.

Keratin from hair binds well to gold and BMP-2, useful for bone repair.

Sodium metabisulfite increases sodium channel activity, leading to higher cell excitability and potential damage.

The long-pulse alexandrite laser effectively removes hair permanently.

Testosterone and dihydrotestosterone have similar effects on body composition and metabolic health in men.

One in four people still had symptoms like weight loss, hair loss, and fatigue 12-14 weeks after recovering from COVID-19.

Adding human hair fibers and glass micro-spheres to epoxy improves its wear resistance and strength.

A dog fully recovered from minoxidil poisoning after receiving treatment.

Topical melatonin is a safe treatment that may reduce hair loss in people with androgenetic alopecia.

Seasonal changes affect gene activity linked to hair growth in Angora goats, influencing mohair quality.

The sunscreen with two antioxidants offers quick and lasting skin protection from sun damage.

Autologous fat transfer improves hair growth in scarring alopecia and allows for denser hair transplants.

Bird foot scales develop differently and can repair but not fully regenerate due to the lack of specialized stem cell areas.

Alopecia Areata greatly affects the quality of life and mental health of Canadian patients and their caregivers.