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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.

Dutasteride-containing mesotherapy effectively treats female hair loss, improving density and thickness with minimal side effects.

Changing habits can make you look younger and improve your overall health.

Middle-aged men are usually either bald or gray, not both.

Hair is important for protection, social interaction, and temperature control, and is made of a growth cycle-influenced follicle and a complex shaft.

Hair color is determined by different melanins and changes with age.

A man's sudden hair loss and color change to white was diagnosed as alopecia areata and it improved on its own after six months.

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

Hair color is determined by melanin and can be affected by genetic conditions like albinism.

Injecting α-MSH made mice's hair turn black.

Mouse skin color ranges from pink to black, depending on their hair growth cycle.

The document concludes that the trichogram is a useful tool for diagnosing hair loss and suggests semi-organ cultures for practical trichological research.

A 73-year-old man's grey-white hair turned dark brown after eczema treatment.

Melatonin causes weasels to grow white fur and become reproductively inactive.

Hair color loss can indicate the effectiveness of a drug targeting the KIT protein in mice and humans.

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

Humans can accurately guess age from faces, with women being slightly better at it, and age perception is linked to evolutionary factors.

Inherited color dilution in Rex rabbits is linked to DNA methylation changes in hair follicles.

Hair color is determined by melanins produced in hair cells.

Valproic acid can cause a skin condition called leukocytoclastic vasculitis, which usually gets better after stopping the drug.

Some medications can cause rare hair color changes, and reporting these side effects is important for patient quality of life.

Hair color is important in many fields and is measured for various purposes.

Animals that change color with the seasons mainly do so in response to daylight changes, but climate change is causing camouflage problems that may require evolutionary changes.

Patients often experience long-lasting changes to their hair after stem cell transplants.

New cancer treatments are less harmful to hair but can still cause hair loss, color, shape, and growth changes.

Hair can naturally regain color after greying, and this change may be linked to stress levels.

Women who had bariatric surgery risk nutritional deficiencies causing skin issues during pregnancy and breastfeeding.

Vimentin and transthyretin proteins are linked to black coat color in sheep.

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

Certain groups may need vitamin supplements to improve hair health and prevent other health problems.