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Hair melanocytes help the skin respond to stress and regulate hair pigmentation.

Human skin and hair color variation is mainly due to melanin produced by a few genes, with melanin protecting against sun damage.

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

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

More melanoblasts in hair follicles mean better survival and proper hair pigmentation.

Microneedles can cause side effects like infection and allergic reactions, and precautions like test spots and sunscreen are recommended.

Topical immunotherapy is the best treatment for severe alopecia areata.

Platelet-rich plasma (PRP) is effective in treating various skin conditions and improving hair density, thickness, and patient satisfaction, with lower relapse rates for Alopecia Areata.

The book "Hair Science and Technology" provides a deep understanding of hair biology and genetics, discusses hair growth, density, and diseases, and offers methods for managing hair loss and caring for hair growth.

The immune system can cause permanent skin and hair whitening by attacking pigment cells.

Vitiligo patients have higher hydrogen peroxide levels and lower E-cadherin, affecting skin cell adhesion and pigmentation.

A baby had a unique skin condition with a pale patch and surrounding dark hairs, not linked to other health issues.

Laser hair removal is the most requested cosmetic procedure and has become a scientifically-based treatment suitable for all skin types.

Pulsed-intense light can significantly reduce hair, with effectiveness depending on treatment number and timing, and has mild side effects.

Examining nail biopsies is useful for diagnosing nail diseases.

New findings suggest potential treatments for melanoma, hyperpigmentation, hair defects, and multiple sclerosis, and show skin microbiome changes don't cause atopic dermatitis.

Some cells may slow melanoma growth, a protein could affect skin pigmentation, a gene-silencing method might treat hair defects, skin bacteria changes likely result from eczema, and a defensin protein could help treat multiple sclerosis.

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.

Vitiligo patients often have nail problems, so checking their nails is important.

Dermatology residents need thorough training in dermatosurgery for better patient outcomes.

RAPK is a rare skin disorder with pigmented spots, mainly on hands and feet, starting in youth.

Facial dark spots can be caused by the sun, genetics, makeup, or medicine, and are diagnosed by patient history and skin tests.

Minoxidil use may cause skin pigmentation loss.

The long-pulse alexandrite laser effectively removes hair permanently.

Testosterone injections can cause skin darkening and thickening.

Isolated patchy heterochromia with pili annulati can occur without other health issues.

A patient with Cronkhite-Canada syndrome improved with nutritional support and steroids, but early diagnosis is key due to high mortality.

Survivors of Stevens-Johnson syndrome/toxic epidermal necrolysis need ongoing care for various long-term health problems.

People with alopecia areata often have other health issues like skin diseases, metabolic syndrome, stomach infections, lupus, anemia, thyroid problems, mental health issues, vitamin D deficiency, and hearing and eye problems.

Alpha-hydroxy acids, like glycolic acid, safely improve skin issues and work on all skin types.