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Nanomaterials can improve hair care products and treatments, including hair loss and alopecia, by enhancing stability and safety, and allowing controlled release of compounds, but their safety in cosmetics needs more understanding.

In September 2016, there were major advancements and promising clinical trials in stem cell research and regenerative medicine.

Epidermal stem cells help heal severe skin wounds and have potential for medical treatments.

Skin development in mammals is controlled by key proteins and signals from underlying cells, involving stem cells for maintenance and repair.

Dermal papilla cells can help regrow hair and are promising for hair loss treatments.

Neural stem cell extract can safely promote hair growth in mice.

Human dental pulp stem cell-conditioned medium, especially from hypoxic conditions, may help treat chemotherapy-induced hair loss and does not increase cancer risk.

Different types of stem cells in hair follicles play unique roles in wound healing and hair growth, with some stem cells not originating from existing hair follicles but from non-hair follicle cells. WNT signaling and the Lhx2 factor are key in creating new hair follicles.

Aged individuals heal wounds less effectively due to specific immune cell issues.

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

Mesenchymal Stem/Stromal Cells (MSCs) help in wound healing and tissue regeneration, but can also contribute to tumor growth. They show promise in treating chronic wounds and certain burns, but their full healing mechanisms and potential challenges need further exploration.

RCS-01 therapy is safe and may improve skin structure by affecting gene expression.

Fat tissue treatments may help with wound healing and hair growth, but more research with larger groups is needed to be sure.

Exosomes show promise for future tissue regeneration.

Keratinocytes help heal skin wounds by interacting with immune cells and producing substances that kill pathogens.

Scaffold-based strategies show promise for regenerating hair follicles and teeth but need more research for clinical use.

COVID-19 can cause hair loss, and treatments like PRP and stem cells might help.

The regenerative solution, tSVF, is a safe and effective treatment for various conditions like aged skin, scars, wounds, and more, but more research is needed to find the best way to use it.

Serum biomarkers like insulin-like growth factor-1 and vitamin D may help diagnose androgenetic alopecia.

Host cells are crucial for the maturation of reconstructed hair follicles.

Certain natural and synthetic compounds may help treat inflammatory skin diseases by targeting a specific signaling pathway.

Targeting and modifying the stem cell niche can improve regenerative therapies.

New drugs for heart disease may be developed from molecules secreted by stem cells.

Keratinocytes and adipose-derived stem cells can effectively heal difficult skin wounds.

Some treatments for hereditary hair loss are effective but vary in results and side effects; new therapies show promise but need more research.

Understanding and manipulating epigenetic changes can potentially lead to human organ regeneration therapies, but more research is needed to improve these methods and minimize risks.

Exosomes protect ear hair cells from damage by controlling cell waste removal, potentially helping treat hearing loss.

The document concludes that the skin's immune system is complex, involving interactions with hair follicles, nerves, and microbes, and can protect or cause disease, offering targets for new treatments.

Hair follicle stem cells could be used to treat the skin condition vitiligo.

Autologous follicular stem cells improved hair loss in 57% of patients.