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Humans lost body hair relatively recently in evolution.

Nanoparticles improve drug delivery through the skin but more research is needed on their long-term effects and skin penetration challenges.

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

Guidelines for diagnosing common hair loss include detailed history, clinical examination, and various diagnostic techniques.

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

Scalp dermoscopy is good for diagnosing a type of hair loss and helps choose the best spots for biopsy.

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

Laser device increases hair density, safe for treating hair loss in men and women.

Too much Smad7 changes skin and hair development by breaking down a protein called β-catenin, leading to more oil glands and fewer hair follicles.

The document concludes that accurate diagnosis of ichthyosis is crucial for treatment and genetic advice, and ongoing research is needed for better therapies.

Cathepsin L is essential for normal hair growth and development.

Alopecia areata is a common autoimmune disease affecting about 2% of people, causing significant disability and often associated with mental health issues and other autoimmune conditions.

Pregnancy can cause skin darkening, varicose veins, more sweating, hair growth, hair loss after birth, nail changes, and gum inflammation.

Microneedles improve drug delivery in various body parts, are safe and painless, and show promise in cosmetology, vaccination, insulin delivery, and other medical applications.

Liposomes improve drug delivery and reduce skin irritation in dermatology.

Vitamin D is important for skin health and may affect conditions like psoriasis and hair loss, but more research is needed to understand its role fully.

Understanding hair follicle anatomy helps diagnose hair disorders.

Eating less sugar, milk, and saturated fats and more vegetables and fish may help treat and prevent acne.

EGFR inhibitors often cause skin problems and other side effects, but these are usually reversible and can be managed to keep patients comfortable.

The document recommends using both clinical evaluation and various measurement methods to assess skin greasiness, considering factors like temperature and hormones.

Stem cell therapy, particularly using certain types of cells, shows promise for treating hair loss by stimulating hair growth and development, but more extensive trials are needed to confirm these findings.

Fat-derived stem cells show promise for skin repair and reducing aging signs but need more research for consistent results.

The document concludes that specific cells are essential for hair growth and more research is needed to understand how to maintain their hair-inducing properties.

Skin grafts on mice can cause an immune response leading to hair loss, useful for studying human hair loss conditions.

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

The conclusion is that Treg-targeted therapies have potential, but more knowledge of Treg biology is needed for effective treatments, including for cancer.

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

Different types of stem cells exist within individual skin layers, and they can adapt to damage, transplantation, or tumor growth. These cells are regulated by their environment and genetic factors. Tumor growth is driven by expanding, genetically altered cells, not long-lived mutant stem cells. There's evidence of cancer stem cells in skin tumors. Other cells, bacteria, and genetic factors help maintain balance and contribute to disease progression. A method for growing mini organs from single cells has been developed.

The skin's internal clock affects healing, cancer risk, aging, immunity, and hair growth, and disruptions can harm skin health.

Skin problems are very common in people with systemic lupus erythematosus and important for diagnosis.