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African hair has the most lipids, while Caucasian hair is more hydrated and stronger.

Red ginseng oil is believed to have various health benefits and is safe, but more research is needed to fully understand how it works.

The conclusion is that a new method can measure caffeine and drugs in hair, finding caffeine abusers have 70 times more caffeine than normal, with a proposed cut-off value for abuse.

Method accurately measures minoxidil concentration in medicines.

Ketoconazole increases finasteride's effectiveness and lifespan in the body.

The conclusion is that a new biopsy technique and humidity chamber help study skin mites better and suggest mite overpopulation may cause skin diseases.

St. John's Wort extract and oil safety in cosmetics is unclear; more data needed on photosensitization, toxicity, and human irritation.

Essential oils in cosmetics can offer benefits but may cause allergies and should be used carefully.

Removing external lipids from hair reduces moisture and increases strength, while removing internal lipids decreases water permeability.

The document discusses various eye conditions and their treatments, including a rare eye cancer in a baby, vision loss from a cancer drug, cataracts from a baldness treatment, a rare skin disorder, and a specific type of eye disease diagnosed with a special imaging technique.

Collecting hair for cortisol analysis is possible in low-income mother-toddler pairs.

NOC-4 extract promotes black hair and hair growth effectively.

Pig skin cells can turn into mesodermal cells but lose their ability to become neural cells.

The document concludes that treatments for cicatricial alopecia are not well-supported by evidence, but hair transplantation shows more predictable and satisfactory results.

The 2015 Hair Research Congress concluded that stem cells, maraviroc, and simvastatin could potentially treat Alopecia Areata, topical minoxidil, finasteride, and steroids could treat Frontal Fibrosing Alopecia, and PTGDR2 antagonists could also treat alopecia. They also found that low-level light therapy could help with hair loss, a robotic device could assist in hair extraction, and nutrition could aid hair growth. They suggested that Alopecia Areata is an inflammatory disorder, not a single disease, indicating a need for personalized treatments.

Microneedles are effective for drug delivery, vaccinations, fluid extraction, and treating hair loss, with advancements in manufacturing like 3D printing.

The phytosome lotion made from Mangkokan leaf extract was more effective for hair growth than 2% minoxidil, especially at 30% concentration.

Bleaching damages hair by reducing the quality of keratin and keratin-associated proteins.

Fructus Psoraleae may help treat hair loss by inhibiting 5-α reductase and affecting the Nrf2-Keap1 pathway.

Terminalia chebula fruit extract has strong anti-aging and antioxidant effects.

The best way to extract oil from Urtica dioica roots is by using corn oil, a 1:5 ratio of raw material to extract, extracting for 6 hours, and using the maceration method.

The UV–Vis Spectrophotometry method effectively measures minoxidil in rat skin for alopecia treatment.

Caffeine is beneficial for skin and hair treatments but needs better delivery methods to penetrate deeper skin layers.

One Ashwagandha extract may help protect cells with its antioxidant properties, while another could promote hair growth.

Skin cells and certain hair follicle areas produce hemoglobin, which may help protect against oxidative stress like UV damage.

New method quickly and accurately measures finasteride in tablets.

Ruxolitinib can help regrow hair in severe alopecia areata.

The Cell Membrane Complex in hair has both water-attracting and water-repelling layers.

Hair breaks differently when wet or dry and is affected by its condition and treatments like perms and bleaching.

Finasteride affects brain and blood steroids, causing lasting sexual and emotional side effects.