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Plucking hair speeds up the next hair growth, but hormones can change this timing.

In the Middle Ages, European noblewomen intentionally removed forehead hair to be fashionable, showing how beauty standards can affect the perception of hair loss.

The Mona Lisa's high forehead and sparse eyebrows might be due to a hair loss condition or Renaissance fashion trends, but the actual reason is unknown.

Photothermolysis is the best method for permanent hair removal.

Clipping is the best method to prepare rats for studying hair loss from chemotherapy because it causes less skin damage and effectively gets hair to the right growth phase.

Hirsutism is excessive male-pattern hair growth mainly caused by ovarian hormones, and severe cases may require costly treatment with side effects.

Dermoscopy helps distinguish between scarring and non-scarring hair loss and accurately diagnoses hair and scalp conditions without needing hair plucking.

Premature graying of hair is more common in males and linked to family history, smoking, hair plucking, and low levels of certain vitamins and minerals.

Effective treatments for excessive hair growth in women include creams, laser therapy, and medications, with the choice depending on individual needs and potential side effects.

Glycosaminoglycan levels peak early in hair growth and decrease as the cycle progresses.

Topical cream eflornithine 11.5% can slow hair growth and may help reduce hair removal frequency.

Androgen loss may speed up hair greying.

Laser and light treatments offer quick, long-lasting hair removal for large areas.

Mechanical stimuli and CCL2 can help regenerate hair follicles in adult mice.

Removing hair from mice without reproductive glands led to grey hair, possibly helping to understand greying in aging.

Glyceride levels in mouse skin are higher during hair growth.

Eflornithine cream slows facial hair growth and works well with other treatments.

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

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

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

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

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

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

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

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

Minor skin injuries can boost hair growth by increasing TNF-α.

Frontal hair in male pattern baldness shows reduced growth and thickness.

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.

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