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

Sebocytes play a key role in controlling androgen levels in human skin.

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

The document describes a way to isolate and grow human hair follicle cells in 3D to help study hair growth.

Thyrotropin-Releasing Hormone helps heal wounds in frog and human skin.

Minoxidil foam 5% effectively treats hair loss in both frontal and vertex scalp regions.

Less AgNOR protein production is linked to hair loss.

A substance called 15-deoxy prostaglandin J2 can cause hair follicle cells to die, which might explain how prostaglandin D2 can lead to hair loss.

Hair analysis can show nutritional status and environmental exposure, with phosphorus being very stable in hair and differences found based on gender and conditions like depression and autism.

Gambogic Amide helps maintain hair color and promotes hair growth.

Minoxidil boosts hair growth by increasing cell production and survival.

EGF makes hair follicles grow longer but stops hair production.

Minoxidil and ATRA together boost hair growth more effectively than minoxidil alone.

CBD can either reduce inflammation and not affect hair growth at low levels or inhibit hair growth at high levels.

Avicennia Marina extract and avicequinone C can reduce hair loss hormone production and increase hair growth factors, suggesting they could be used to treat androgenic alopecia.

Zolpidem shows up in hair from the top back of the head after one dose and fades over time, suggesting it gets into hair through blood and sweat.

Blue light promotes hair growth by interacting with specific receptors in hair follicles.

400 nm particles penetrate hair follicles best, but mouse models aren't fully reliable for human studies.

Hair pattern in androgenetic alopecia overlaps with scalp and bone demarcations, with distinct gene profiles affecting susceptibility.

Examining scalp biopsies in different ways helps better diagnose hair loss types.

Ginseng and its compounds may help hair growth and prevent hair loss, but more human trials are needed to confirm this.

The document suggests that certain protein deficiencies and scalp blistering in Epidermolysis Bullosa may cause hair loss.

Mice with human gene experienced hair loss when treated with DHT.

The conclusion is that we need more effective hair loss treatments than the current ones, and these could include new drugs, gene and stem cell therapy, hormones, and scalp cooling, but they all need thorough safety testing.

Horizontal scalp biopsy sections are better for diagnosing alopecia areata, showing fewer hair follicles and more miniaturized hairs.

Human skin can make serotonin and melatonin, which help protect and maintain it.

Human dermal fibroblasts are the main cells targeted by a virus that can cause a deadly skin cancer, and a certain inhibitor can effectively block this infection.

Male pattern baldness involves smaller hair follicles, larger oil glands, and other tissue changes, but not major blood supply issues.

Scalp cooling can help prevent chemotherapy-induced hair loss with a 50-90% success rate and is safe for patients.

Human hair follicle dermal cells can effectively replace other cells in engineered skin.