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Hair follicle development is controlled by interactions between skin tissues and specific molecular signals.

Turning white fat into brown-like fat could help fight obesity and type 2 diabetes.

Natural products in cosmetics are beneficial for skin and hair care with low toxicity.

Improving artificial vascular grafts requires better materials and surface designs to reduce blood clotting and support blood vessel cell growth.

Dehydroepiandrosterone (DHEA) is a prohormone important for producing sex steroids and has potential health benefits.

Myo-inositol supplements may improve insulin sensitivity and help with conditions like PCOS and gestational diabetes, but more research is needed.

The Rotterdam Study updated findings on elderly health, focusing on heart disease, genetics, lifestyle effects, and disease understanding.

Auxin and ethylene hormones both work together and against each other to control plant growth.

Platelet-rich plasma shows promise for skin and hair treatments but needs more research and standardization.

Calreticulin has roles in healing, immune response, and disease beyond its known functions in the endoplasmic reticulum.

Anticancer drugs are increasingly found in surface waters, and their long-term environmental effects are not well understood, requiring better testing methods.

The document concludes that the understanding of scar formation is incomplete and current prevention and treatment for hypertrophic scars and keloids are not fully effective.

Polysaccharides have many health benefits and are used in drugs, but isolating and purifying them is complex and requires careful methods.

Human skin makes sexual hormones that affect hair growth, skin health, and healing; too much can cause acne and hair loss, while treatments can manage these conditions.

The secretome from mesenchymal stem cells is a promising treatment that may repair tissue and avoid side effects of stem cell transplantation.

Vitamin D receptor interacts with certain dietary components to help prevent diseases and regulate hair growth.

Zinc oxide nanoparticles in sunscreen do not penetrate deep into the skin.

New nanofiber technology improves wound healing by supporting cell growth and delivering treatments directly to the wound.

Melatonin in the skin helps protect against damage from stress and UV rays, and could be used to treat certain skin conditions.

Human skin can make serotonin and melatonin.

TGF-β is crucial for tissue repair and can cause diseases if not properly regulated.

Hair loss and aging are caused by the breakdown of a key protein in hair stem cells.

Stem cells are crucial for skin repair and new treatments for chronic wounds.

Eph receptors and ephrins may be promising targets for treating diseases, but more understanding is needed for effective and safe therapies.

Biomaterials with MSC-derived substances could improve tissue repair and have advantages over direct cell therapy.

The document concludes that the 5 alpha-reductase enzymes are important in steroid metabolism and related to various human diseases, with inhibitors used to treat conditions like male pattern baldness and prostate issues.

Tiny pollution particles called PM2.5 can harm skin cells by causing stress, damage to cell parts, and cell death.

Hair follicles help absorb and store topical compounds, aiding targeted drug delivery.

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

Artificial skin development has challenges, but new materials and understanding cell behavior could improve tissue repair. Also, certain growth factors and hydrogel technology show promise for advanced skin replacement therapies.