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We need more research to better understand human hair follicle stem cells for improved treatments for hair loss and skin cancer.

The document concludes that proper diagnosis and a combination of medical, hair-care, and surgical treatments are important for managing alopecia in black women.

Nerves and chemicals in the body can affect hair growth and loss.

There are many treatments for permanent hair loss disorders, but their effectiveness varies and there's no clear best option.

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

Blocking β-catenin in skin cells improves hair growth during wound healing.

Mutant mice help researchers understand hair growth and related genetic factors.

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

Mesenchymal stem cells show potential for skin healing and anti-aging, but more research is needed for safe use, especially regarding stem cells from induced pluripotent sources.

The protein folliculin, involved in a rare disease, works with another protein to control how cells stick together and their organization, and changes in this interaction can lead to disease symptoms.

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

Short-chain fatty acids from *Cutibacterium acnes* cause skin inflammation, contributing to acne.

TrichoScan is a reliable method for measuring hair growth and is useful for assessing hair loss treatments.

Black ethnicity, prior PSA tests, enlarged prostate, and family history increase prostate cancer risk; Asian ethnicity, obesity, smoking, diabetes, and less sexual activity or no children decrease risk.

Two-photon microscopy helps observe hair follicle stem cell behaviors in mice.

Different hair care practices and conditions affect African American hair and scalp health, requiring specialized knowledge for treatment.

The document concludes that mouse models are crucial for studying hair biology and that all mutant mice may have hair growth abnormalities that require detailed analysis to identify.

Oral retinoids are effective for severe skin conditions but require careful use due to side effects.

Glutamine metabolism affects hair stem cell maintenance and their ability to change back to stem cells.

Skin tumor regression is helped by retinoic acid signaling blocking Wnt signaling.

New treatments for acne scars are safer and more effective because we understand the causes better.

Cosmetics enhance beauty, fix defects, and intimidate enemies, with varying cultural standards and alternative methods.

Scientists found cells in hair that are key for growth and color.

CLE40 and CRN/CLV2 pathways have opposite effects on root growth in Arabidopsis.

The article concludes that advancements in hair cosmetics require dermatologists to stay informed about products and their potential risks, including allergies and higher risks for hairdressers.

Injection lipolysis effectively reduces small fat deposits and should be done with care and proper patient selection.

Micropigmentation is a widely accepted tattooing technique for hiding cosmetic issues and medical uses, with permanent results and few side effects, but risks infection if not done with sterile tools.

Behavioral dermatology treats skin problems by considering both emotional and physical factors.

Scalp melanomas are more dangerous and often missed, needing earlier detection.

Androgen is important in controlling stem cell differentiation, reducing fat development, and increasing lean mass.