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The skin is a complex barrier for drug penetration, but understanding its structure and interactions can improve drug delivery methods.

Laser hair removal is the most requested cosmetic procedure and has become a scientifically-based treatment suitable for all skin types.

Lactate production is important for activating hair growth stem cells.

Use minoxidil for hair loss; finasteride and dutasteride for men, dutasteride for women.

The document concludes that developing generic topical drugs requires ensuring they match the original in quality, composition, and structure, and often involves complex testing and regulatory steps.

Researchers found 19 genes important for root hair growth in a plant called Arabidopsis.

Estrogens can improve skin aging but carry risks; more research is needed on safer treatments.

Melatonin may benefit skin health and could be a promising treatment in dermatology.

Opioid painkillers can cause many side effects, including breathing problems and addiction, but are generally considered safe when used properly.

Cancer treatments targeting specific cells and the immune system can cause skin, mouth, hair, and nail problems, affecting patients' quality of life and treatment adherence.

New effective scar treatments are urgently needed due to the current options' limited success.

Toxic Shock Syndrome mainly affects menstruating women, can recur, and is linked to staph bacteria, with rapid treatment being crucial.

Erectile dysfunction is increasingly common in men under 40, with many physical and psychological causes, and various treatment options available.

Epirubicin is as effective as doxorubicin for cancer treatment with less heart damage, but doesn't work on doxorubicin-resistant cancers.

Chitosan nanofiber scaffolds improve skin healing and are promising for wound treatment.

Certain inhibitors slow down plant growth by causing early cell specialization without changing the cell development pattern.

Humans lost body hair relatively recently in evolution.

Superficial granulomatous pyoderma is a unique, mild form of skin disease that often heals without strong medication and responds well to milder treatments.

Peptide hydrogels heal burn wounds faster and better than standard dressings.

Palliative chemotherapy is cost-effective for advanced gastric and colorectal cancer but not clearly for pancreatic-biliary cancer.

Patients with certain skin symptoms and high ANA titers should be monitored for potential systemic lupus.

Dextran sulfate was found to be toxic and ineffective for treating HIV.

Keratose, derived from human hair, is a non-toxic biomaterial good for tissue regeneration and integrates well with body tissues.

Understanding hair follicle anatomy helps diagnose hair disorders.

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

Modulating BMP activity changes the number, size, shape, and type of ectodermal organs.

Silver nanoparticles coated with substances like PEG showed strong antibacterial effects and improved wound healing when used in hydrogels.

Obesity worsens PCOS symptoms, and PCOS may lead to more weight gain; managing both requires a holistic approach that includes mental health.

Coal tar shampoos, salicylic acid, and topical corticosteroids are effective for scalp psoriasis, with Vitamin D3 analogues also showing benefits; severe cases may require stronger medication with more risks.

The document describes how to tell different types of non-scarring hair loss apart by looking at hair and scalp tissue under a microscope.