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The congress showed advancements in skin hydration, barrier function, and safe, effective new cosmetic formulations.

The hair follicle pathway significantly affects how easily water-loving chemicals pass through the skin.

DMSO causes reversible swelling in hair but has a complex, less reversible effect on skin.

Different techniques measure hair properties to ensure cosmetic products work.

Disrupting the skin barrier and using specific nanoparticles and solvents can improve drug delivery through the skin.

Solute binding to hair keratin is mainly driven by hydrophobic interactions and changes with pH.

Characterizing lipid nanoparticles is challenging due to issues with sensitivity, reproducibility, and reliability.

Diffusion in artificial sebum is mainly influenced by molecular size and is much faster than in skin lipids.

External agents penetrate skin more easily in areas with fewer lipids, especially through hair follicles.

Hair is hard to dissolve because of its complex proteins, but certain solvents that break specific bonds and hydrate can do it.

Hydrophobic modifications make human hair less affected by water.

Chemical modifications can alter hair's stability and flexibility, with hydrophobic interactions helping maintain structure in humid conditions.

The document concludes that understanding how the skin's immune system and inflammation work is complex and requires more research to improve treatments for skin diseases.

The skin's layers protect, sense, and regulate the body's internal balance, but can be prone to cancer.

Dermoscopy helps diagnose and manage alopecia areata by showing specific hair changes.

Demodicosis is common and often missed, needing more recognition and treatment in skin care.

Chemotherapy can cause skin problems like hair loss, mouth sores, and skin darkening, and recognizing these can affect treatment decisions.

Epidermal stem cells are diverse and vary in activity, playing key roles in skin maintenance and repair.

Stem cell niches support, regulate, and coordinate stem cell functions.

Dermatoscopy and videodermatoscopy are useful for diagnosing and monitoring various skin, hair, and nail conditions.

Liposomes improve drug delivery and reduce skin irritation in dermatology.

Transplant success has improved with better immunosuppressive drugs and donor matching.

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

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.

Both genes and environmental factors like chemicals may contribute to the increase in hypospadias, but the exact causes are still unclear.

4D polycarbonate scaffolds show promise for soft tissue repair due to their biocompatibility, shape memory, and minimal immune response.

Prolactin affects hair growth and skin conditions, and could be a target for new skin disease treatments.

A genetic change in the EDAR gene causes the unique hair traits found in East Asians.

Layer-by-Layer self-assembly is promising for biomedical uses like tissue engineering and cell therapy, but challenges remain in material safety and process optimization.