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Traumatic alopecia causes hair loss from pulling or rubbing, leading to broken hairs and changes in the scalp.

Hair sheds gradually from the follicle, with readiness to shed indicated by less attachment material.

The simplified eyebrow transplant technique is safe, effective, and looks natural.

Electrolysis and laser treatments offer more permanent hair removal, but have limitations.

Trichotillomania is more common in young females and often linked to stress and psychiatric conditions, with hair loss and increased catagen hair observed.

Scientists created early-stage hairs from mouse cells that grew into normal, pigmented hair when implanted into other mice.

Spiny mice are better at regenerating hair after injury than laboratory mice and could help us understand how to improve human skin repair.

Measuring reproductive hormones in brown bear hair could help identify their sex and reproductive state, but better collection methods or lab techniques are needed.

The environment around melanocyte stem cells is key for hair regeneration and color, with certain injuries affecting hair color and potential treatments for pigmentation disorders.

The document concludes that stopping shaving or removing affected hair can alleviate Pseudofolliculitis barbae (PFB).

An 800nm diode laser safely and effectively reduces hair for about 8 months, with most patients satisfied and few side effects.

A new staining method helps tell growing from resting hairs to diagnose hair loss.

Hair microscopy is useful for diagnosing hair disorders, but clear definitions are needed for accurate genetic analysis.

Transplanted baby mouse skin cells grew normal hair using a new, efficient method.

Normal hair thickness varies by scalp area and a mix of hair thicknesses is typical in healthy individuals.

Trichoscopy and trichogram are useful for diagnosing hair and scalp conditions.

Phenylephrine may help prevent hair loss from pulling on the hair roots.

A woman's hair loss was due to trichotillomania, which is often misdiagnosed and can require different treatments based on age and underlying conditions.

Human hair growth involves active, resting, and intermediate phases, and examining plucked hairs can teach students about hair biology and diseases.

Dermoscopy improves diagnosis and treatment monitoring for children's skin infections, inflammations, and hair disorders.

Transgender patients need proper skin care, especially when undergoing hormone treatments, to manage issues like acne and hair loss.

A man with Woolly Hair Syndrome had very curly, fragile hair, and doctors used a special scalp examination to diagnose him without invasive tests.

A teenager's hair with alternating white and dark bands, known as Pili annulati, is a genetic condition that is usually harmless and often considered attractive.

Scalp biopsies are important for diagnosing hair loss conditions.

The conclusion is that hair growth can be improved by activating hair cycles, changing the surrounding environment, healing wounds to create new hair follicles, and using stem cell technology.

Immune cells help regulate hair growth, and better understanding this can improve hair loss treatments.

Laser hair removal works well for people with dark hair and light skin, but it's less effective for light hair or dark skin; improvements are expected.

Telogen is an active phase with important biological processes, not a resting phase.

The document concludes that various treatments, including laser therapy, are effective for managing pseudofolliculitis barbae, especially in darker skin types.

RNA from horse hair follicles can track circadian rhythms non-invasively.