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Eating too much or too little vitamin A can cause hair loss.

Anorexia nervosa may cause a hair defect called pili torti due to malnutrition and high vitamin A levels.

Minoxidil and retinol together help hair grow.

Altered retinoid metabolism in cicatricial alopecia suggests a balanced vitamin A diet may prevent the condition.

Cold atmospheric plasma may speed up wound healing and control infections.

Eyebrow hair transplants in patients with frontal fibrosing alopecia may look good at first but often lose the new hair after a few years.

Activating the Sonic hedgehog pathway can help regenerate hair follicles during wound healing in mice, potentially improving regeneration after injury.

Combining platelet-rich plasma injections and gel may effectively treat morphea, improving skin elasticity and reducing pain.

Wnt-signaling is regulated differently in skin cells and immune responses during wound healing.

Retinoids are effective for skin conditions like severe acne and psoriasis but must be used with caution due to potential side effects and risks during pregnancy.

Some vitamins and minerals like vitamin D and iron can help with certain types of hair loss, but more research is needed for others.

Nanoparticles can improve skin drug delivery but have challenges like toxicity and stability that need more research.

Nanoparticles can improve skin treatments by better targeting hair follicles, but more research is needed for advancement.

Shen-Min, a hair growth supplement, likely caused acute hepatitis in a woman, improving after she stopped taking it.

Hair growth is influenced by interactions between skin layers, growth factors, and hormones, but the exact mechanisms are not fully understood.

Noncoding dsRNA boosts hair growth by activating TLR3 and increasing retinoic acid.

Surface-modified nanoparticles mainly use non-follicular pathways to enhance skin permeation of ibuprofen and could improve treatment for inflammatory skin diseases.

Different species and human skin models vary in their skin enzyme activities, with pig skin and some models closely matching human skin, useful for safety assessments and understanding the skin's protective roles.

The document concludes that there is no agreed-upon best method for measuring drug delivery within hair follicles and more research is needed to validate current techniques.

Nanoemulsions improve stability and delivery of active ingredients in cosmetics for skin and hair care.

Facial aging is caused by natural processes and external factors, and can be managed with preventative measures and a variety of treatments tailored to individual needs.

Oral minoxidil effectively treats hair loss, with women needing lower doses (0.25 to 2.5 mg daily) and men needing higher doses (1.25 to 5 mg daily).

Low-dose oral minoxidil effectively treats non-scarring hair loss with some side effects like hypertrichosis and postural hypotension.

Different factors like pH, gel type, and chemical enhancers affect how well hydrocortisone gets into hair follicles, and less hydrated skin doesn't work well with the test method.

Nanocarriers could improve how drugs are delivered through the skin but require more research to overcome challenges and ensure safety.

Ingesting Leucaena leucocephala caused hair loss and increased infant mortality in ringtailed lemurs.

More men are getting non-surgical cosmetic treatments due to increased income and social acceptance, with less invasive options being preferred.

Fluconazole can cause hair loss, but the exact cause is unknown.

Blocking DGAT1 reduces oil gland size in mice and dogs, but only mice experience hair loss.

Environmental factors like diet and vitamin levels, especially Vitamin D, can affect autoimmune diseases differently, with lifestyle changes potentially improving outcomes.