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The protein p21 is more abundant in normal skin cells than in melanoma cells and may help protect against melanoma, with UVB light affecting its levels.

Isotretinoin shrinks sebaceous glands without affecting hair or skin color, unlike etretinate.

Melanocytes are destroyed by factors needed for melanin production, causing vitiligo and gray hair.

Vitiligo causes white skin patches and can lead to psychological stress.

Apoptosis is crucial for healthy skin and treating skin diseases.

Minoxidil use may cause skin pigmentation loss.

Merkel cells may have roles in sensing magnetic fields, creating fingerprints, Reiki energy healing, passing on environmental information to offspring, and influencing hair shape.

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

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

Stress turns hair white by depleting color-giving cells in hair follicles through a specific neurotransmitter related to the body's stress response.

Adding TERT and BMI1 to certain skin cells can improve their ability to create hair follicles in mice.

Immune cells are crucial for hair growth and preventing hair loss.

Thyroid hormones help hair grow, reduce hair loss, and increase hair pigment.

Hair greying is linked to reduced ATM protein in hair cells, which protects against stress and damage.

Botryococcus terribilis and its compounds may promote hair growth and improve hair health.

Some medications might reverse gray hair, especially those that reduce inflammation or stimulate pigment production, and vitamin B might help.

Stressed fibroblasts greatly increase melanin production in hair, skin, and eye cells, mainly due to a growth factor called bFGF.

RT1640 treatment reverses gray hair and promotes hair growth in mice.

Human dermal stem cells can become functional skin pigment cells.

Melanocytes produce melanin; their defects cause vitiligo and hair graying, with treatments available for vitiligo.

As people age, their hair follicles produce less pigment, leading to gray and white hair, due to factors like reduced enzyme activity and damage to melanocyte DNA.

Skin stem cells are maintained by signals from nearby cells and vary in their ability to renew and mature.

Hair color production in mice is closely linked to the hair growth phase and may also influence hair growth itself.

Oxidative stress contributes to hair graying and loss as we age.

Adipose-derived stem cells show promise in treating skin conditions like vitiligo, alopecia, and nonhealing wounds.

Pantothenic acid helps mink hair follicles grow by affecting certain cell signals.

An 82-year-old man's white hair regained color after taking etretinate for psoriasis.

Certain flavonoids can improve the growth of pigmented hair in mice.

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

Topical drugs and near-infrared light therapy show potential for treating alopecia.