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The human scalp hair bulb contains different types of melanocytes with varying abilities to produce melanin.

Some chemicals can permanently or temporarily remove color from skin and hair, which can be distressing and is not well-regulated in cosmetics.

Key genes influence melanin in chicken muscles, affecting their value.

Hair color is determined by melanin produced and transferred in hair follicles.

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

Laser hair removal can be effective for darker skin but requires careful use to avoid side effects.

Bleaching hair causes severe structural and chemical damage, including protein loss and oxidation.

Alopecia Areata causes significant structural and compositional changes in hair.

taVNS reduces vitiligo symptoms in mice.

Innovative cosmetics could safely change hair color by targeting biological hair pigmentation processes.

Protein carbonylation is a sensitive marker for oxidative damage in hair, especially from light exposure.

PRP therapy helps skin heal and improve by promoting cell growth and repair.

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

Hair follicle melanocytes die during hair regression.

TTD hair brittleness is caused by multiple structural abnormalities.

Darker hair in guinea pigs holds more codeine than lighter hair.

Type I collagen, elastin, keratin, ceramides, and melanin improve hair strength, growth, and health.

Gray hair can potentially be managed or reversed with treatments that boost melanin production and address nutritional deficiencies.

Skin pigmentation varies due to genetics, UV exposure, and drugs, with treatments available but requiring medical advice.

Hair becomes gray and thin as we age, and while most hair loss in older people is due to genetics, there's a chance for gray hair to regain color under certain conditions.

High mTORC1 activity slows hair growth and causes it to lose color.

A 1.0% tyrosine diet increases melanin in chicken feathers.

The document suggests a possible connection between rapid weight loss and hair loss, and reports a case of skin condition improvement after stopping acne medication.

Melatonin stimulates the skin components of ram's scrotum during their non-breeding season.

Platelet-rich plasma therapy could be an effective treatment for melasma with minimal side effects.

Growing hair follicles have high mitochondrial activity and ROS in specific regions, aiding hair formation.

A new skin-whitening agent using a peptide from wheat is safe and effective at reducing skin pigmentation.

Muridae species have unique hair patterns specific to each genus and species.

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.