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Researchers developed a new, precise method to measure hair loss in mice using image analysis.

Human hair medulla doesn't break down hydrogen peroxide, which may affect hair color formation.

Premature hair graying is caused by various factors and mechanisms.

Gray hair affects hair's movement and appearance, making it less bouncy and more wavy.

Engineered skin substitutes can grow hair but have limitations like missing sebaceous glands and hair not breaking through the skin naturally.

The "Punch Assay" can regenerate hair follicles efficiently in mice and has potential for human hair regeneration.

Laser hair removal uses lasers to target and damage hair follicles to reduce hair growth.

Drugs can be incorporated into hair based on their chemical properties and hair pigmentation.

Androgenetic alopecia is a common hair loss condition caused by testosterone effects on hair follicles, leading to thinner, shorter, and less pigmented hair, diagnosed using scalp dermoscopy and treated with topical minoxidil, antiandrogen agents, and 5-alpha reductase inhibitors.

Laser hair removal works well for light skin with dark hair but needs caution for darker skin.

A woman with alopecia totalis regrew dark hair in bands after using a corticosteroid ointment.

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

The upper half of a human hair follicle can grow a new hair in a mouse, but success is rare.

A man with Woolly Hair Syndrome had very curly, fragile hair, and doctors used a special scalp examination to diagnose him without invasive tests.

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

Aging causes hair to gray and thin, with the timing of graying varying by race, and factors like oxidative stress and genetics can lead to hair loss.

TrichoScan is a reliable method for measuring hair growth and is useful for assessing hair loss treatments.

Adrenalectomy boosts hair growth and melanin in black rats, even with vitamin B¹ deficiency.

Reducing copper (II) ion levels in hair can decrease hair damage.

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.

Laser and Eflornithine are more effective for hair removal than traditional methods.

Scientists created hair-growing skin models from stem cells, which could help treat hair loss and skin diseases.

Cyclosporine A slows down hair loss from chemotherapy in mice, while dexamethasone increases hair loss but speeds up regrowth.

Platelet-rich plasma is a safe and effective treatment for hair loss, with fewer relapses than steroid treatment.

Regenerated hairs can regain their color if the wound occurs during a certain stage of hair growth, and this process is helped by specific skin cells and proteins.

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

Spiny mice are better at regenerating hair after injury than laboratory mice and could help us understand how to improve human skin repair.

The authors suggest that a new type of hair loss exists, which is different from alopecia areata.

Bimatoprost and clobetasol are both effective for scalp hair loss, but bimatoprost works faster, has fewer side effects, and grows more colored hair.

Hair greying is caused by oxidative stress damaging hair follicles and melanocytes.