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The document explains how hair is studied in forensics to identify its source and its role in criminal investigations.

Skin stem cells are crucial for maintaining and repairing the skin and hair, using a complex mix of signals to do so.

Understanding gene expression in hair follicles can reveal insights into hair growth and disorders.

Some wound-healing cells can turn into fat cells around new hair growth in mice.

Calreticulin has roles in healing, immune response, and disease beyond its known functions in the endoplasmic reticulum.

Dermatoscopy is useful for identifying different hair and scalp conditions and can reduce the need for biopsies.

Guidelines suggest various treatments for alopecia areata, but leaving it untreated is also an option as 80% cases may recover on their own.

Dermoscopy helps diagnose and manage alopecia areata by showing specific hair changes.

Minoxidil treats hair loss, promotes growth, has side effects, and has recent patents.

Pregnancy can cause skin darkening, varicose veins, more sweating, hair growth, hair loss after birth, nail changes, and gum inflammation.

Androgens have complex effects on hair growth, promoting it in some areas but causing hair loss in others, and our understanding of this is still evolving.

Understanding the mouse hair cycle is crucial for cancer research.

Hair ages due to genetics and environmental factors, leading to graying and thinning, with treatments available for some conditions.

A WNT10A gene mutation leads to ectodermal dysplasia by disrupting cell growth and differentiation.

Melanocytes are crucial for skin pigmentation and can affect conditions like melanoma, vitiligo, and albinism, as well as hair color and hearing.

Minoxidil and finasteride effectively treat hair loss.

Exosomes from dermal papilla cells can help grow hair and might treat hair loss.

Activating the Wnt/β-catenin pathway could lead to new hair loss treatments.

Trichoscopy is a useful non-invasive method for diagnosing different hair loss conditions.

Minoxidil promotes hair growth but stops working when discontinued.

Women with PCOS often have skin problems like excessive hair, acne, hair loss, and dark patches, which can be treated with hormonal and non-hormonal therapies.

Lasers and light sources can effectively remove hair, work best on fair skin with dark hair, and usually need multiple treatments.

Topical drugs and near-infrared light therapy show potential for treating alopecia.

Ringworm in pets is influenced by fungi type, immune status, and stress hormones.

Prostaglandin D2 blocks new hair growth after skin injury through the Gpr44 receptor.

Hair greying is caused by oxidative stress damaging hair follicles and melanocytes.

The document concludes that good cosmetic outcomes in hair transplantation depend on the surgeon's artistic skill and careful planning.

Human hair follicle cells can grow hair when put into mouse skin if they stay in contact with mouse cells.

Hair analysis can detect drug use but requires careful interpretation due to its complexity.

Liposomes can safely and effectively deliver substances to mouse hair follicles, potentially useful for human hair treatments.