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Tight junctions are key for skin protection and controlling what gets absorbed or passes through the skin.

Follicular Unit Extraction (FUE) is a less invasive hair transplant method with minimal scarring, suitable for about 60% of patients, especially those needing fewer grafts and quicker recovery.

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.

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

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

Researchers developed promising agents for prostate cancer imaging, with the best one showing high potential for clinical use.

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.

Some drugs can cause hair loss or increase hair growth, but these effects are usually reversible when the drug is stopped.

RNAi-based biopesticides could be safe and effective for pest control with careful development and risk assessment.

Modern science supports the use of some Ayurvedic plants for health, as ancient practices suggested.

Masculine facial features may not reliably indicate heritable health, and more research is needed.

Antibiotics can reduce acne but may lead to resistant bacteria, and understanding the skin's bacteria is important for treatment.

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

Adam10 enzyme is crucial for healthy skin and proper Notch signaling.

Low fluence photoepilation temporarily removes hair by targeting the hair follicle's pigmented area without severe damage.

TGF-β signaling is crucial for stem cell maintenance, differentiation, and has implications for cancer treatment.

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

The conclusion is that PCOS is caused by ovarian sensitivity to hormones and disrupted hormone control, possibly due to ovarian factors, and more research is needed.

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.

Low doses of some substances can be beneficial, while high doses can be harmful or toxic.

Mice hair growth patterns get more complex with age and can change with events like pregnancy or injury.

The document concludes that understanding hair structure is key to diagnosing hair abnormalities and recommends gentle hair care for management.

Cepharanthine is a well-tolerated drug with multiple medical uses, including anti-inflammatory and anti-cancer properties.

The BASP classification is a detailed and accurate way to categorize hair loss in both men and women.

TRP channels in the skin are important for sensation and health, and targeting them could help treat skin disorders.

The telogen phase of hair growth is active and important for preparing hair follicles for regeneration, not just a resting stage.