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Surgical hair restoration has improved since 1959, with new techniques like minigrafts, micrografts, and scalp reductions creating more natural hairlines and reducing bald skin, despite some risks and potential for scarring.

Alopecia areata incognito in children can be effectively treated with triamcinolone acetonide and supplements, leading to full hair regrowth.

A gene network led by RSL4 is crucial for early root hair growth in response to cold in Arabidopsis thaliana.

Muskox hair growth rates vary widely, so a single growth rate can't be used for all populations.

Mothers have more hair proteins than their children, with age-related differences in protein patterns, and some proteins in hair could indicate early childhood development.

A mother and daughter have a rare genetic hair loss disorder with no effective treatment.

A gene variant causes patched hair loss in mice, similar to alopecia areata in humans.

Curved human hair has different structures on each side, which might cause its shape and is similar to wool.

The patient with total hair loss did not regrow hair despite treatment, indicating a poor outlook for this type of hair loss.

VEGF helps hair grow and determines follicle size by increasing blood vessel growth.

Fat-related cells are important for initiating hair growth.

Hair and nail cells share similar proteins, indicating a common differentiation pathway.

Videodermoscopy improves diagnosis of hair and scalp disorders and may reduce scalp biopsies.

Noggin is necessary to start the hair growth phase in skin after birth.

Pectin biosynthesis is essential for the growth of cotton fibers and Arabidopsis root hairs.

Platelet-rich plasma with a new carrier significantly increases hair thickness without serious side effects.

Too much androgen can cause hair loss; finasteride may help.

Horizontally sectioned scalp biopsies are more reliable for diagnosing hair loss in women when three samples are taken instead of one.

Low oxygen conditions increase the hair-growing effects of substances from fat-derived stem cells by boosting growth factor release.

Hair analysis can detect cocaine use but doesn't accurately show the amount or timing of use.

The p75 neurotrophin receptor is important for hair follicle regression by controlling cell death.

FPHL is a common, age-related, genetic hair loss with unclear causes and limited treatment options.

Minoxidil boosts hair growth by targeting adenosine and possibly sulfonylurea receptor 2B.

Stress hormone corticosterone blocks a growth factor to slow down hair stem cell activity and hair growth.

Muscles and nerves that cause goosebumps also help control hair growth.

Exosomes from dermal papilla cells help hair growth by making hair follicle stem cells multiply and change.

mTOR signaling helps activate hair stem cells by balancing out the suppression caused by BMP during hair growth.

The p53 protein helps control hair follicle shrinking by promoting cell death in mice.

Dermal exosomes with miR-218-5p boost hair growth by controlling β-catenin signaling.

The study showed that hair follicle stem cells can maintain and organize themselves in a lab setting, keeping their ability to renew and form hair and skin.