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The newborn's skin condition improved over time, leaving only lighter skin patches.

Merkel cells are abundant in facial vellus hair follicles, especially during the anagen phase.

Immune cells boost stem cell activity in hairy moles, causing more hair growth.

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

All-trans retinoic acid helps amelanotic melanocytes in hair follicles develop and produce pigment while reducing their growth.

Keratinocytes can reverse the effects of the GNAQ oncogene, inhibiting melanoma cell growth.

A man had a black pore on his cheek, which was removed and found to be a hair follicle tumor.

Lentiginous melanoma is most common on the face, especially the nose, cheek, and pre-auricular areas, with men more likely to have it on the scalp, ears, upper back, and trapezius, and women on the cheek and anterior arm. Sun damage is a key factor in its formation.

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

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

Certain skin conditions are more common in black people due to hair and skin differences.

β-interferon injections for melanoma can cause excessive hair growth at the injection sites.

The treatment didn't work for the woman's hair loss and skin darkening.

Alpha-MSH affects mitochondrial function, and MC1R mutations may increase skin aging.

Some Greek melanoma patients have gene mutations linked to increased cancer risk, a new color feature helps diagnose melanoma, the incidence of a skin condition in the Netherlands is rare, and a gene possibly affects male-pattern baldness.

The microenvironment affects the behavior and survival of melanocytes with the GNAQ oncogene in melanoma.

Pigmentary mosaicism causes skin color changes and can affect multiple body systems, but has no cure.

A rare combination of halo nevi, nonsegmental vitiligo, and early gray hair can occur together.

Applying a tretinoin cream can remove hair plugs and treat trichostasis spinulosa.

A man with a birthmark on his scalp developed hair loss that improved with treatment, but the link between the birthmark and hair loss was unclear.

The patient's hair has unique structural differences with alternating bright and dark bands.

Melasma is a skin condition linked to female hormones, genetics, UV exposure, and certain medications, but not to pituitary, adrenal, or thyroid diseases.

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

Transplanting small skin grafts can successfully repigment leukoderma.

BMP signaling affects hair color by interacting with the MC-1R pathway.

The girl's regrown brown hair had less of certain pigments than her original black hair.

A man's scalp hair loss was due to a combined melanocytic nevus and alopecia areata, suggesting a possible link between the two conditions.

Trichostasis spinulosa is a common but often unnoticed skin condition involving bundled vellus hairs, especially in people with darker skin or UV exposure.

Lenalidomide helps hair follicle stem cells turn into melanocytes, which may improve repigmentation in vitiligo.