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Hair stops producing melanin as it transitions from the growth phase to the resting phase.

Forensic DNA Phenotyping can help predict physical traits from crime scene DNA to identify suspects.

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

Chemical and physical treatments like bleaching, dyeing, and UV radiation damage both Caucasian and Afro-ethnic hair.

Barn owls with smaller black spots have higher testosterone levels, which might be due to genetic effects on hormone regulation rather than hormone effects on coloration.

The document concludes that MGRN1 affects mouse fur color by interfering with a receptor's signaling, but its full role in the body is still unknown.

Sox2 controls hair color by affecting pigment production in hair follicles.

Human hair varies widely and should be classified by curl type rather than race.

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

Gray hair is caused by reduced melanin production or transfer issues, linked to aging and possibly health conditions, with treatments focusing on color camouflage.

Cirsium japonicum flower extract increases melanin production and could help treat depigmentation conditions.

Hair color is not a risk factor for developing alopecia areata.

Hair analysis can detect drug use but is costly and interpretation is complex.

The research found specific genes and pathways that control fur development and color in young American minks.

Lasers can reduce hair growth but may also damage skin.

Blocking casein kinase 1 in skin cells can help melanocyte precursors move better, potentially helping with conditions like vitiligo or gray hair.

Physical exams are important in hair loss diagnosis, considering cosmetic history, systemic diseases, and classifying alopecia types.

The gene Endothelin 3 makes mice's fur darker by increasing pigment cells and pigment levels.

Laser treatment can inhibit hair growth and different hair colors reach different temperatures when lasered.

Melanin may help melanoma cells grow by aiding their metabolism.

Skin of color can spontaneously repigment after a phenol-croton oil chemical peel.

Radiotherapy can cause rare changes in hair color, which should be discussed with patients.

The skin acts like an endocrine organ, making hormones that affect skin diseases and respond to stress.

Diet changes can protect against harmful environmental effects on fetal development.

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

Ruby laser pulses best destroy hair follicles during the growth phase and effectiveness varies with laser intensity; melanin is key for targeting, and timing treatments can improve results.

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

The document concludes that hair is complex, with a detailed growth cycle, structure, and clinical importance, affecting various scientific and medical fields.

Asian hair is generally straight and thick, with unique disorders and properties, and more research is needed to understand it fully.

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