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Permanent hair dyes use chemicals that react with hydrogen peroxide to create color.

A new mRNA variant of the SCF gene in sheep skin produces a shorter, different protein.

The vitamin D receptor is involved in multiple body functions beyond calcium regulation, including immune response and rapid reactions not related to gene activity.

A new mutation in the CYP11B1 gene was found in a woman with mild hyperandrogenemia, a rare cause of non-classic congenital adrenal hyperplasia.

The study created a new hair loss treatment paste that regrows hair faster and with fewer side effects than minoxidil alone.

Proper hair care and safe use of hair products are crucial for those with hair loss.

New eco-friendly method strengthens and sets hair using light and causes less damage.

Hydrocolloid wound dressings emit energy that can affect human hair follicle metabolism.

Future hair cosmetics will be safer and more effective.

Keratin's mechanical properties are influenced by hydrogen bonds and secondary structure, and can be improved with the SPD-2 peptide.

Frequent hair coloring and styling can damage hair and cause breakage or loss.

The document concludes that periocular hair disorders have various causes and treatments, and proper evaluation by specialists is important for management and prognosis.

The more lipophilic the progesterone derivative, the better it binds to androgen receptors and has antiandrogenic effects.

The developed model can predict effective 5-alpha-reductase enzyme inhibitors.

The guideline recommends mental health involvement in diagnosing gender identity disorder and outlines hormone and surgical treatment protocols, emphasizing safety, informed consent, and long-term monitoring.

Hormonal changes and psychological issues can cause sexual dysfunction in postmenopausal women. Behavioral therapy is recommended first, with hormone replacement helping some symptoms but not libido. Testosterone can improve libido, but its effects on overall sexual function are unclear. Emotional and relationship issues should be addressed before using medication, and the benefits and risks of testosterone supplementation should be considered.

Myotonic dystrophy should be considered in patients with hair thinning, and genetic counseling is important.

Belly fat is the main predictor of nonalcoholic fatty liver disease in both women with Polycystic ovary syndrome and healthy women.

Platelet Rich Plasma-Derived Extracellular Vesicles show promise for healing and regeneration but need standardized methods for consistent results.

Polydopamine is a safe, effective, and permanent hair dye that turns gray hair black in one hour.

Using mesenchymal stem cells or their exosomes is safe for COVID-19 patients and helps improve lung healing and oxygen levels.

Birth control pills change the activity of certain inflammation and blood clotting genes in women with PCOS.

Hormonal therapy changes skin and hair in transgender patients, who need better researched dermatologic care.

Nanotechnology improves hair care products by enhancing ingredient stability, targeting treatment, and reducing side effects, but more research on its toxicity is needed.

Gamma rays did not change hair follicle density but increased white and hypopigmented hairs in mice.

New tools show that in fish, NPY increases feeding and somatostatin decreases it.

The study found that mouse sweat glands develop before birth, mature after birth, and have specific keratin patterns.

COVID-19 and hypopituitarism (reduced pituitary gland function) are linked, with the latter's related health issues potentially worsening COVID-19 outcomes, and COVID-19 possibly increasing risk for pituitary complications.

A man developed a rare blood vessel connection on his scalp after hair transplants, which was successfully treated with surgery.