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

Men's hair loss is caused by hormones and genes, and can be treated with medication and surgery, while graying is due to aging and has no prevention except dyeing.

The document concludes that using specific tools and tests is essential for identifying the cause of hair loss and deciding on the right treatment.

Supercritical CO2 extraction makes rice bran oil healthier and safer than traditional methods.

Scientists made skin stem cells from other human cells with over 97% efficiency, which could help treat skin conditions.

Selenium sulfide in anti-dandruff shampoos can turn hair green.

Men and premenopausal women in Korea show different patterns in iron and vitamin D levels, with no clear pattern for postmenopausal women.

Men with less sun-sensitive skin have lower PSA levels, while men with more sun-sensitive skin have higher PSA levels.

Miliacin with polar lipids helps hair growth and improves hair loss in women.

Some vitamin D analogs can thicken skin and reduce pore size like a common acne treatment, with one analog also affecting skin growth factors.

Dermoscopy is useful for identifying and tracking different types of hair loss without scarring.

Animal research has greatly advanced dermatology.

Granulation and epithelialization are crucial for healing large skin wounds.

Darker hair colors may increase the risk of alopecia areata, while lighter hair colors may decrease it.

Folliculitis Decalvans and Frontal Fibrosing Alopecia can coexist in people with darker skin, showing features of both conditions.

Lenalidomide helps hair follicle stem cells turn into melanocytes, which may improve repigmentation in vitiligo.

Eating flaxseed made rabbit hair longer and thicker and improved their weight and blood sugar and cholesterol levels.

Natural products in cosmetics are beneficial for skin and hair care with low toxicity.

Obesity affects skin health, causing conditions like acanthosis nigricans and may require different treatment approaches.

Manage vitiligo with treatments, address emotions, and use camouflage techniques.

Dermatoscopy is useful for identifying different hair and scalp conditions and can reduce the need for biopsies.

Visible light can damage skin and most sunscreens don't block it well; more research is needed on its effects and protection methods.

The peptide GHK-Cu helps heal and remodel tissue, improves skin and hair health, and has potential for treating age-related inflammatory diseases.

Zinc is crucial for growth and health in rats.

Dermatoscopy and videodermatoscopy are useful for diagnosing and monitoring various skin, hair, and nail conditions.

Liposomal systems show promise for delivering drugs through the skin but face challenges like high costs and stability issues.

Microneedles help improve skin appearance and deliver skin treatments effectively, but safety concerns need more research and regulation.

UV radiation can help sterilize wounds and promote healing but requires careful use to avoid damaging cells.

Skin surface lipids are important for skin health and altering them could help prevent aging and treat skin conditions.

Chemotherapy often causes temporary hair loss, which is distressing and needs better treatment and support.