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Men and women respond differently to drugs for COVID-19, high cholesterol, and diabetes, which suggests a need for personalized treatments.

Treatments for melanin disorders exist, but more effective options needed.

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

ISCK03 stops melanin production in human melanoma cells and lightens skin color in mice and guinea pigs.

Silencing certain circadian clock genes increases skin pigmentation.

Barn owls with smaller black spots have higher testosterone levels, which might be due to genetic effects on hormone regulation rather than hormone effects on coloration.

Old C57BL/6 mice with unsynchronized hair cycles show less melanin in their spleens.

The study found a specific pattern of uneven melanin distribution on balding scalps that could help understand skin diseases caused by light exposure.

Epimedium extract helps increase skin pigmentation and could be a new treatment for conditions with reduced pigmentation.

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

Lasers can help reduce skin side effects from cancer treatment.

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

Enhancing melanin's energy generation may help treat alopecia areata.

Hydrophilic melanin may help hair grow by improving blood flow and regeneration.

Researchers identified potential markers for human hair color stem cells.

The human scalp has different types of pigment cells in hair follicles with varying abilities to produce pigment.

The study found markers indicating that cells responsible for hair color are differentiating in specific areas of the hair follicle.

Melanocytes are destroyed by factors needed for melanin production, causing vitiligo and gray hair.

Hair stops producing melanin as it transitions from the growth phase to the resting phase.

Ruby laser pulses best destroy hair follicles during the growth phase and effectiveness varies with laser intensity; melanin is key for targeting, and timing treatments can improve results.

Poliosis circumscripta is a patch of white hair caused by lack of melanin, linked to genetic and acquired conditions.

Tiger tail bands in hair are caused by wavy hair fibers with melanin, unlike straight fibers in normal hair.

Melanin in black hair protects it from sun damage better than light-brown hair.

SCF and ET-1 together significantly increase skin pigmentation and melanin production.

ATP increases melanin production in skin after UV exposure, with the P2X7 receptor being crucial for this process.

Human skin and hair color variation is mainly due to melanin produced by a few genes, with melanin protecting against sun damage.

Glycine reduces skin pigmentation by lowering melanin production.

Hair acts as a significant natural sun barrier, with protection increasing based on hair density, thickness, and melanin presence.

Clotrimazole, an antifungal cream, may safely reduce skin pigmentation by breaking down the enzyme needed for making melanin.

HGF/SF increases skin melanocytes but doesn't change melanin type or amount.