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The hair restoration technique discussed is a costly, temporary method similar to hair weaving, not well-supported by scientific data, and can have severe complications.

The new natural sindoor is safe, non-toxic, and eco-friendly.

FM dyes effectively stain Merkel cells for long-term observation.

Epithelial grafting can effectively repigment white hair in vitiligo patients.

Human hair color is determined by melanin types and genetic factors.

Gray hair may be caused by lower antioxidant activity in hair cells.

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

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

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

Gray hair regained color after thyroid hormone treatment.

Hair bleaching causes significant damage to hair and skin.

The pigment in black eyeliner can spread in the skin and may cause permanent eyelash loss.

Scientists found cells in hair that are key for growth and color.

Imatinib can repigment grey hair, while SU11428 can cause temporary hair depigmentation.

Hair graying is caused by the loss of pigment cells due to poor maintenance of stem cells in the hair follicle.

Hair color is influenced by genetics and can indicate certain health conditions.

Darker hair may lead to higher cortisol readings, suggesting a need to adjust for hair color in studies.

Melanin absorbing light is necessary but not enough for effective hair removal by light treatment.

Protein hair straighteners damage the hair more than hair dyes.

Brain hormones significantly affect hair color and could potentially be used to prevent or reverse grey hair.

Certain unsaturated compounds can cause temporary hair loss by affecting hair structure.

Standard nail varnish effectively prevents follicular penetration of certain substances.

The new shampoo effectively delivers caffeine to hair follicles to help keep hair, especially as people age.

Scientists developed a way to isolate sweat glands from the scalp during hair transplants, keeping them alive for 6 days for research and cosmetic uses.

The molecular details of hair growth are not well understood.

Some breast cancer chemotherapy can cause permanent hair loss.

A new method accurately measures amino acids in treated hair, showing bleaching reduces amino acids while protein treatments increase them.