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Hair color is due to active pigment cells in hair during growth.

Oxidative stress causes hair to gray by damaging and killing pigment cells.

Certain genes control the color of human hair by affecting pigment production.

UV light can help stimulate the growth of new pigment cells from hair follicles in people with vitiligo.

Vitiligo is caused by the immune system attacking skin pigment cells.

The scalp has a natural speckled pattern of increased pigment around hair follicles, possibly linked to local hormone production.

Scalp micropigmentation is a process where tiny dots of pigment are tattooed onto the scalp to create the appearance of a shaved head or fuller hair.

Hair graying is caused by the loss of pigment cells due to poor maintenance of stem cells in the hair follicle.

Melanogenesis inhibitors like kojic acid and niacinamide can reduce inflammation and pigment production in skin cells.

Using topical prostaglandin F2α for glaucoma may cause loss of eyelash or eyebrow pigment.

Lasers are effective for some skin conditions but can cause side effects like scarring and pigment changes; careful selection is important, and botulinum toxin type A is successful in reducing sweat in palmar hyperhidrosis.

Pregnant women often experience skin and hair changes, with over half getting stretch marks and pigment changes, and should be cautious with cosmetic procedures due to potential risks.

A man's chest hair turned white after a shingles infection, possibly due to virus-damaged pigment cells.

Mouse hair follicles age, causing more white hairs due to fewer pigment stem cells.

Constant light exposure during pregnancy changes newborn rabbits' skin, affecting hair follicles, skin thickness, and pigment cells.

Imatinib mesylate can cause skin lightening, especially in Chinese patients, due to its effect on pigment production.

The study suggests a link between varicella-zoster virus and segmental vitiligo, with evidence of the virus disrupting skin pigment cells.

Butyrate helps hair grow longer, improves hair cell health, increases pigment production, and boosts hair's natural defenses.

The document summarizes recent dermatological treatments and advances in areas like pediatric care, wound healing, skin closure, light-based therapies, pigment disorders, hair loss, immunotherapy, infection management, melanoma, drug reactions, and facial rejuvenation.

Cathepsin L is essential for normal hair growth and development.

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

Mutations in TBX3 cause horses to have more even hair color instead of Dun camouflage.

A new type of rapid hair loss called ADTA usually gets better on its own within 6 months.

Finding eosinophils near hair bulbs helps diagnose alopecia areata.

Transplanting small skin grafts can successfully repigment leukoderma.

Other common signs, not just the well-known immune cells around hair bulbs, are important for diagnosing hair loss from alopecia areata.

Children with marasmus have more resting hair follicles and thinner, less pigmented hair, showing long-term malnutrition.

Some breast cancer patients developed permanent hair loss after chemotherapy and hormonal therapy, showing patterns similar to common baldness and alopecia areata.

SMP is a medical tattoo for hair loss, improving appearance and camouflaging scars, but requires skill and has limitations.

Some men lost hair after deoxycholic acid treatment for neck fat, but most saw improvement or resolution.