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Using radiation to make mice's hair turn gray helps study and find ways to prevent or reverse hair graying.

Hair graying is influenced by factors like nerves, fat cells, and immune cells, not just hair follicles.

Gray hair is caused by oxidative stress damaging hair cells.

Hair follicle cells age faster and lose pigment due to less catalase, causing hair to turn gray.

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

Wnt signaling is crucial for pigmented hair regeneration by controlling stem cell activation and differentiation.

Women look young for their age due to larger lips, less sun damage, and genes that prevent gray hair and wrinkles.

Polydopamine is a safe, effective, and permanent hair dye that turns gray hair black in one hour.

A new storage solution may increase hair transplant graft survival.

Too much or too little selenium in the diet can cause hair loss and graying in mice.

Long-pulsed ruby lasers effectively reduce hair for up to 2 years with minimal pain.

Herbal hair gel with fenugreek seed extract was found to increase hair growth.

Photodynamic therapy can remove nonpigmented hair in mice and might work for humans.

Body and beard hair can be used for hair restoration in severely bald patients, but the technique is complex and costly.

Herbal ingredients like aloe vera and hibiscus can help with hair problems like hair loss and dandruff.

Rosemary hair serum promotes healthier, stronger, and shinier hair.

Lasers are FDA-approved for permanent hair reduction, not removal, and more research is needed to improve treatments.

The patient's hair loss is most likely due to diffuse alopecia areata.

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

Patchy alopecia areata can affect only pigmented hairs, leaving gray hairs untouched.

Environmental and cosmetic factors, including heat, chemicals, and sun exposure, can cause hair loss and damage.

Boiling and fermenting certain herbs can help hair grow by activating hair growth genes and pathways.

Androgens may worsen COVID-19 and hair loss could indicate the disease's severity.

Microneedling helps increase the absorption of a melanin product into hair follicles, which may improve laser hair removal effectiveness.

Over half of young people in Saudi Arabia experience early gray hair, linked to factors like smoking, stress, and family history.

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

The document concludes that there are various causes and treatments for hair loss, with hair transplantation being a notable option.

Thyroid hormones help hair grow, reduce hair loss, and increase hair pigment.

Laser and light treatments can effectively remove hair long-term.

Gender affects hair and scalp characteristics, with differences in hormone responses, graying patterns, and trace metals.