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Trichoscopy is useful for diagnosing and monitoring male pattern hair loss.

Curly hair shape is due to uneven growth patterns in the hair follicle.

Moisture content significantly affects how human hair breaks.

Cuticle damage doesn't affect hair's tensile strength; the cortex is responsible for it.

Human hair varies widely and should be classified by curl type rather than race.

Different hair types from various ethnic groups affect hair shine due to characteristics like thickness and shape.

Hair fiber shape and curvature are not significantly linked when ancestry is considered.

The method accurately measures hair damage and strength, revealing effects of cosmetics and metal correlations.

Alcohol may slightly increase the risk of hair loss, but the link is uncertain.

Hair damage shows as fragility, dullness, and discoloration, varies by ethnicity, and is worsened by cosmetic procedures and diseases.

Certain gene variations may increase the risk of alopecia, and platelet-rich plasma treatment can improve hair density in those with hair loss; a rare case of facial Becker's nevus was linked to uneven beard growth.

Testosterone and finasteride improve muscle strength and size after spinal cord injury.

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

Direct heat perms cause more damage to hair than softening heat perms.

Different populations have distinct hair structures related to their ancestry.

Hair follicle shape determines hair type: curly, straight, or in-between.

Older age and certain lifestyles are linked to thinner, weaker hair, while how you see your hair relates to its thickness.

Ethnic differences in hair and skin are significant and under-researched, requiring tailored dermatologic treatments and more study.

Testosterone with finasteride improved muscle and bone health in men with spinal cord injury.

Transplanting one's own hair follicle cells can improve hair loss in men and women, and is particularly effective in women.

OCT can effectively examine and reveal details about human hair and scalp conditions.

Researchers developed a new model for more realistic computer graphics rendering of hair by considering how light scatters on hair fibers.

Researchers developed a new model for more realistic computer graphics of hair by considering how light scatters on hair fibers.

Older people's hair becomes less shiny because it gets more uneven and curved.

Platelet-Rich Plasma (PRP) treatment can potentially increase hair density and quality in people with hair loss, but more research is needed to confirm its effectiveness.

Platelet-Rich Plasma (PRP) treatment can significantly increase hair count and thickness in people with Androgenetic Alopecia (AGA) with minimal side effects.

Wild peach leaf extract improves hair strength, thickness, and shine after dyeing.

A 4-year-old girl had a rare hair disorder affecting only part of her scalp.

The article concludes that PRP might help with hair loss, but more detailed research is necessary.

Hair fibers break by cuticle cell slipping, shape changing, cuticle fraying, and surface cracking when stretched under specific conditions.