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Professionals believe voluntary registers cannot ensure public safety like mandatory ones with laws.

No treatment alters the natural progression of alopecia areata, and effectiveness varies, with some possibly working better in children.

Hair follicles may help teach the immune system to tolerate new self-antigens, but this can sometimes cause hair loss.

Laser hair removal improves quality of life but emotional benefits decrease over time, suggesting more treatments are needed for lasting effects.

Melatonin may help with sleep issues, depression, and cancer, but more research is needed.

Metformin should be used for PCOS mainly in those with glucose intolerance, and has limited benefits for infertility or hirsutism.

Telogen effluvium is a common, often temporary hair loss caused by stress and other factors, and it's hard to pinpoint and treat.

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

Three new types of a skin blistering disease were found, caused by specific gene mutations.

Different types of stem cells exist within individual skin layers, and they can adapt to damage, transplantation, or tumor growth. These cells are regulated by their environment and genetic factors. Tumor growth is driven by expanding, genetically altered cells, not long-lived mutant stem cells. There's evidence of cancer stem cells in skin tumors. Other cells, bacteria, and genetic factors help maintain balance and contribute to disease progression. A method for growing mini organs from single cells has been developed.

Hair growth is influenced by hormones and goes through different phases; androgens can both promote and inhibit hair growth depending on the body area.

Brain hormones significantly affect hair color and could potentially be used to prevent or reverse grey hair.

The document concludes that there is no agreed-upon best method for measuring drug delivery within hair follicles and more research is needed to validate current techniques.

Hair follicles may soon be used more for targeted and systemic drug delivery.

Melatonin may help treat hair loss and needs more research.

Human hair follicles may provide a noninvasive way to diagnose diseases and have potential in regenerative medicine.

The document explains hair growth and shedding, factors affecting it, and methods to evaluate hair loss, emphasizing the importance of skin biopsy for diagnosis.

The new assay can track and measure melanosome transfer between skin cells, confirming filopodia's role in this process.

Special immune cells called Tregs can help prevent lung scarring by blocking a specific growth factor.

Young men with male pattern baldness lose hair density over time without treatment.

The document concludes that understanding nail anatomy is key for diagnosing nail diseases, early signs of nail melanoma may allow for less aggressive treatment, and specific genetic mutations are important in thyroid cancer prognosis and treatment.

Rac1 is essential for proper hair structure and color.

Liposomes improve drug delivery and reduce skin irritation in dermatology.

Blue light might help treat skin conditions by affecting the skin's bacteria.

Products should be called 'sperm-safe' only after thorough, well-designed tests.

Celebrity endorsements can greatly increase interest in cosmetic procedures.

Medications have become the main treatment for enlarged prostate symptoms, replacing surgery and watchful waiting.

The document concludes that the human keratin gene cluster is complex, with a need for updated naming to reflect over 50 functional genes important for hair and skin biology.

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

Prolactin and melatonin affect the growth of Angora and Cashmere goat hair differently.