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A 17-year-old in Saudi Arabia was diagnosed with a rare skin condition causing red-brown facial patches.

Melasma is now considered a skin aging disorder caused by sun exposure in people with a genetic tendency, which impacts treatment and prevention approaches.

We need more research on human hair follicle pigmentation, not just mouse models.

Melanocyte activity in hair follicles is linked to the hair growth cycle, being active in growth phases and inactive in rest phases.

The article concludes that while we understand a lot about how melanocytes age and how this can prevent cancer, there are still unanswered questions about certain pathways and genes involved.

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

Melanocytes appear in fetal skin early, but their development details are still unclear.

The environment around melanocyte stem cells is key for hair regeneration and color, with certain injuries affecting hair color and potential treatments for pigmentation disorders.

Human hair color is influenced by complex biochemical processes involving enzymes and reactive oxygen species.

A mutation in the Adam10 gene causes freckle-like spots on Hairless mice.

Only skin melanocytes, not other types, can color hair in mice.

Certain chemicals cause hair graying in black mice but not yellow mice.

BMI1 is essential for preventing hair greying and maintaining hair color.

Several treatments are effective for pigmentary disorders like vitiligo and melasma.

Different types of resting melanocyte stem cells have unique characteristics and vary in their potential to become other cells.

The book gives a basic overview of mesotherapy and fat-dissolving injections but lacks detailed guidance and effectiveness comparisons for practitioners.

Using bimatoprost on one side of the face caused increased cheek hair growth in a patient.

Using bimatoprost on one side of the face caused increased cheek hair growth in a patient.

New treatments and technologies in laser medicine show promise for improving skin conditions, fat reduction, cancer treatment, wound healing, and hair restoration.

Some chemicals can permanently or temporarily remove color from skin and hair, which can be distressing and is not well-regulated in cosmetics.

Certain mature cells in mouse lungs can turn back into stem cells to aid in tissue repair.

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

Trichoscopy is a useful, non-invasive way to diagnose different types of hair loss.

Hair greying is caused by oxidative stress damaging hair follicles and melanocytes.

Melanocyte development from neural crest cells is complex and influenced by many factors, and better understanding could help treat skin disorders.

Liposomes can safely and effectively deliver substances to mouse hair follicles, potentially useful for human hair treatments.

Blocking BACE1 and BACE2 enzymes causes hair color loss in mice.

SCF and c-Kit decrease in AGA hair follicles, possibly affecting hair pigmentation and growth.

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.

Scalp hair grows at 0.37 mm/day, forearm hair at 0.18 mm/day, and thigh hair at 0.30 mm/day, with no significant differences found in people with certain hair conditions.