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Phototrichogram and hair diameter measurements are effective, noninvasive ways to assess hair growth and detect early hair loss, with the most common pattern being reduced hair density.

Plant root hair growth is mainly controlled by hormones like auxin and ethylene, which promote growth, while others like brassinosteroid inhibit it.

Some growth factors, while important for normal body functions, can cause diseases when not regulated properly.

FGF9 controls which receptors it binds to through a process where two FGF9 molecules join, and changes in FGF9 can lead to incorrect receptor activation.

Multimodal minoxidil microemulsion is more effective in treating hair loss than minoxidil alone.

Finasteride reverses early hair loss and promotes growth.

Frontal Fibrosing Alopecia's cause is unclear, affects mainly postmenopausal women, and current treatments focus on stopping hair loss rather than regrowth.

A hydrogel made from pig fat helps wounds heal faster by regenerating skin fat cells.

FPHL causes hair loss in women due to genetics and hormones; minoxidil and anti-androgens are treatments, and early intervention is advised.

Finasteride blocks progesterone's effect on absence seizures in rats.

St. John's Wort extract and oil safety in cosmetics is unclear; more data needed on photosensitization, toxicity, and human irritation.

Insulin or IGF-I is needed for hair growth in newborn mice, while minoxidil helps adult mouse hair grow, suggesting a way to study human hair loss.

The new nanocomposite films are stronger, protect against UV, speed up wound healing, and are antibacterial without being toxic.

The hydrogels help harvest cells while preserving their mechanical memory, which could improve wound healing.

EPR spectroscopy showed that spontaneous hair growth results in thicker skin and less pigmented hair than depilation-induced growth.

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.

The document concludes that correct diagnosis of alopecia types is crucial, scalp biopsies are important, and more research is needed.

Managing PCOS is hard because it varies a lot, treatments are limited, and there's a lot of false information online.

Hormonal contraceptives can help treat acne by affecting sebum production and androgen levels.

The gel with special fat-loaded particles from rice bran could be an effective skin treatment for hair loss.

Looking at skin can help find and treat serious diseases early.

High energy boosts root hair growth in plants, while low energy stops it.

A portable device can create nanofibers to improve the appearance of thinning hair better than commercial products.

Teucrium polium extracts are non-toxic and effectively speed up wound healing.

Whale genes show changes that help them live in water, like less hair and better flippers.

Poplar seed hairs grow from the placenta at the ovary base, with endoreduplication playing a key role in their development, and share similar cellulose synthesis processes with cotton fibers.

People undergoing chemotherapy need better support and information to cope with hair loss.

A new gel containing minoxidil can treat hair loss effectively, potentially reducing side effects and improving treatment.

Sargassum muticum extract and its component apo-9'-fucoxanthinone may help hair growth and treat hair loss.

Children's hairlines change shape as they grow, with women often developing a widow's peak and men's hairlines becoming more convex and possibly balding at the temples, influenced by genetics and hormones.