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Researchers created a fully functional, bioengineered skin system with hair from stem cells that successfully integrated when transplanted into mice.

Menopause reduces skin collagen and elasticity, and while estrogen therapy can help, its risks require careful consideration.

Cells in hair follicles help create fat cells in the skin by releasing a protein called Sonic Hedgehog.

Hair growth can be induced by certain cells found at the base of hair follicles, and these cells may also influence hair development and regeneration.

Scientists successfully created and transplanted bioengineered hair follicles that function like natural ones, suggesting a new treatment for hair loss.

Toll-like receptors are important for wound healing, but can slow it down in diabetic wounds.

Light can turn on hair growth cells through a nerve path starting in the eyes.

Brain hormones significantly affect hair color and could potentially be used to prevent or reverse grey hair.

BLIMP1 is essential for skin maintenance but not for defining sebaceous gland progenitors.

Manatee whiskers are specially adapted for touch in water.

New hair products are being developed to keep hair and scalp healthy for everyone.

Peptide hydrogel scaffolds help grow new hair follicles using stem cells.

Combining microsurgery with craniofacial reconstruction improves aesthetic results and reduces harm to the area where tissue is taken from.

The skin's basement membrane has specialized structures and molecules for different tissue interactions, important for hair growth and attachment.

Hydrogen peroxide and monoethanolamine in hair dye can cause dermatitis and hair loss.

Effervescent formulations may improve minoxidil delivery, increasing effectiveness and reducing applications needed.

Chitosan and surface-deacetylated chitin nanofibers may help treat hair loss.

Docetaxel and oxaliplatin are effective and have manageable side effects for recurrent platinum-sensitive ovarian cancer.

Understanding scalp anatomy is crucial for successful and safe scalp surgery.

Subcutaneous contraceptives can cause side effects like menstrual changes, headaches, weight gain, and pain at the implant site.

Imiquimod cream activates hair follicle stem cells and causes early hair growth by changing immune cells and certain protein expressions.

Macrophage-stimulating protein helps hair grow and can start hair growth phase in mice and human hair samples.

Microneedle technology is beneficial for drug delivery and could make vaccinations cheaper and more accessible.

Gene network oscillations inside hair stem cells are key for hair growth regulation and could help treat hair loss.

Facial aging is caused by natural processes and external factors, and can be managed with preventative measures and a variety of treatments tailored to individual needs.

Laser therapy helped new hair grow in scarred skin for three patients.

Older people's sweat glands are less effective at helping skin wounds heal due to weaker cell connections.

Knowing detailed head and neck anatomy is crucial for safe and effective facelift surgery.

The document concludes that careful surgical methods and choosing the right materials are key for successful scalp, skull, and frontal sinus reconstruction.

Hair in mammals likely evolved from glandular structures, not scales.