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Reflectance confocal microscopy can tell apart white dots on the scalp as either sweat gland ducts or hair follicle openings.

Trichoscopy is not specific for diagnosing telogen effluvium and both telogen effluvium and androgenetic alopecia often occur together.

Dermoscopy shows that varying hair shaft thickness and single hair follicles are main signs of male pattern baldness, especially in the fronto-temporal region.

New hair regrowth model introduced, imiquimod kills skin cancer cells, T-cadherin loss makes skin cancer more invasive, no strong link between PTCH1 gene and skin cancer after transplant, and male teens more likely to have hereditary hair loss.

Eyelashes are important for looks and eye protection, and more people are treating sparse eyelashes; more research is needed to understand eyelash biology and improve treatments.

The document concludes that understanding hair loss patterns and careful surgical techniques are key for successful hair transplantation in oral and maxillofacial surgery.

A cancer drug caused unusual hair growth on a 100-year-old man's scalp and eyelashes.

The enzyme type 1 5α-reductase is more active in the hair follicle's lower part than in the skin's outer layer.

Male pattern baldness is an unintended side effect of the body's use of androgens for muscle growth, especially in those genetically prone to it.

The document concludes that understanding hair follicle histology and the hair cycle is crucial for diagnosing alopecia.

Androgenetic alopecia, or common baldness, is the main cause of hair loss in men due to shrinking hair follicles from hormones, and it's normal but can be a problem if it's too much or too early.

Some people with pattern hair loss may also have scalp inflammation and scarring similar to lichen planopilaris.

The document concludes that accurate diagnosis of different types of hair loss requires careful examination of hair and scalp tissue, considering both clinical and microscopic features.

Apoptosis is crucial for healthy skin and treating skin diseases.

Chemotherapy can cause permanent, non-reversible hair loss similar to pattern baldness.

Latanoprost, a glaucoma medication, caused excessive eyelid hair growth in many patients.

PCOS can cause excess hair growth, oily skin, hair loss, acne, and dark skin patches.

Understanding Wnt-β-catenin signaling is key to hair growth and could impact conditions like baldness.

Transverse scalp biopsy sections help diagnose different alopecias by showing hair follicle details and inflammation patterns.

COVID-19 may cause hair loss, often after recovery, with androgenetic alopecia being the most common type.

The document concludes that there are various treatments for diseases linked to scarring hair loss, especially for primary scarring alopecia.

Scientists found gene mutations that affect hair loss, skin stem cells, and skin disorders, and identified drugs that may help treat blood vessel and skin conditions.

Skin ages and changes due to sun, wind, and aging, causing dryness, thinning, and hair loss.

Hair diameter difference, brown skin discoloration around hair follicles, and missing hair in certain areas are key signs of androgenetic alopecia (commonly known as hair loss) when viewed under a dermoscope.

Finasteride increases hair count in men with hair loss, but the effect isn't permanent and hair loss returns if treatment stops.

The document concludes that a protein involved in hair growth may link to baldness and that more research is needed on its role in hair loss and skin cancer treatments.

The study suggests fibrosing alopecia in a pattern distribution has distinct features and may vary by race.

The study found that two enzymes linked to hair loss are located in different parts of the scalp, supporting a common treatment's effectiveness.

Finasteride effectively treats male pattern baldness, improving hair growth and density.

High levels of testosterone and 5α-DHT can lead to cell death in cells important for hair growth.