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Hypothyroidism harms rat skin, but topical triiodothyronine may help improve it.

Microneedle technology is effective for skin rejuvenation and enhancing cosmeceutical delivery, with ongoing innovation and increasing commercialization.

New materials and methods could improve skin healing and reduce scarring.

Men and women experience skin aging differently due to changes in sex hormone levels with age.

The document concludes that skin aging in women can be caused by UV exposure and hormonal changes, and treatments like hormone replacement therapy and various skin therapies can help.

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

Crossbreeding improves goat fiber quality, and specific genes affect hair traits and color.

Twisting hair weakens it, but strength can be recovered at low twist levels.

Human hair keratins can self-assemble and support cell growth, useful for biomedical applications.

Estrogens can improve skin aging but carry risks; more research is needed on safer treatments.

Estrogens and SERMs can help with skin aging, but their safety and effectiveness need more research.

Silicon can improve skin and hair health, but more research is needed.

New nanocomposites with copper show promise for healing burn wounds and regenerating skin.

Some vitamin D analogs can thicken skin and reduce pore size like a common acne treatment, with one analog also affecting skin growth factors.

Mice lacking fibromodulin have disrupted healing patterns, leading to abnormal skin repair and scarring.

Human hair varies widely and should be classified by curl type rather than race.

New scaffold materials help heal severe skin wounds and improve skin regeneration.

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.

Environmental, chemical, mechanical, and personal health factors can all damage hair and contribute to hair loss or changes in hair quality.

Polymeric nanoparticles show promise for treating skin diseases.

Microneedle arrays with nanotechnology show promise for painless drug delivery through the skin but need more research on safety and effectiveness.

Mesenchymal stem cells help improve wound healing by reducing inflammation and promoting skin cell growth and movement.

Tissue expansion is an effective treatment for certain types of hair loss, providing immediate coverage with hair-bearing skin.

Researchers developed a scaffold that releases a healing drug over time, improving wound healing and skin regeneration.

Recombinant keratin materials may better promote skin cell differentiation than natural keratin.

Cosmeceuticals are popular for their skin health benefits and anti-aging effects.

Backhousia citriodora leaf extract effectively reduces oily skin across different ethnic groups.

Plasma gel and PRP treatments improve skin and hair with minimal side effects.

HIF-1A may aid hair growth, Backhousia citriodora improves skin, autologous cells stabilize hair loss, infrared thermography assesses alopecia, and a new treatment preserves hair.

RPGRIP1L helps skin cells stick together by blocking PKCβII, which can prevent skin blistering like in pemphigus.