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Beard and scalp hair cells have different gene expressions, which may affect beard growth characteristics.

Some alternative treatments for hair loss might work, but more research is needed.

Gene therapy has potential as a future treatment for Hutchinson-Gilford progeria syndrome.

Plant-based ingredients are effective and safe for modern skincare products.

New drug delivery methods can make natural compounds more effective and stable.

Epidermal keratinocytes start wound healing and inflammation after schistosome infection.

Safflower (Carthamus tinctorius) extract helps hair grow and could be used in hair products.

Herbal extracts and platelet-rich plasma together may help increase hair growth by making certain cells grow more, through specific cell growth pathways.

Different species and human skin models vary in their skin enzyme activities, with pig skin and some models closely matching human skin, useful for safety assessments and understanding the skin's protective roles.

Scalp cooling can help prevent chemotherapy-induced hair loss with a 50-90% success rate and is safe for patients.

Nanoparticles with more oleic acid improved the delivery and stability of the drug spironolactone.

The hair follicle infundibulum plays a key role in skin health and disease, and understanding it better could lead to new skin disease treatments.

Adult skin quickly reacts to short-term environmental and internal stress, leading to various skin issues and the need for protective measures.

Spiny mice are better at regenerating hair after injury than laboratory mice and could help us understand how to improve human skin repair.

Early diagnosis and treatment are crucial for preventing permanent hair loss in various scalp conditions, and while new treatments are promising, more research is needed to evaluate their effectiveness.

A substance called VIP might protect hair follicles from being attacked by the immune system, and problems with VIP signaling could lead to hair loss in alopecia areata.

Non-coding RNAs play key roles in the hair growth cycle of Angora rabbits.

The study found that a specific area of the hair follicle helps start hair growth by reducing the blocking effects on certain cells and controlling growth signals.

Cell-based therapies using dermal papilla cells and adipocyte lineage cells show potential for hair regeneration.

Microneedles with enhancer effectively promote hair growth and increase hair density.

Cell aging can be both good and bad for tissue repair.

Microencapsulation helps protect and track therapeutic cells, showing promise for treating various diseases, but more work is needed to improve the technology.

Madarosis is the loss of eyelashes and eyebrows due to various health issues and requires thorough examination to diagnose and treat the underlying cause.

Transit-amplifying cells are crucial for tissue repair and can contribute to cancer when they malfunction.

Olive leaf compound oleuropein helps grow hair in mice.

Vitamin D3 can help improve hair growth by enhancing the function of specific skin cells and could be useful in hair regeneration treatments.

Certain signals are important for reducing specific chemical markers on hair follicle stem cells during rest periods, which is necessary for healthy hair growth.

Neuroactive steroids could become safe, effective treatments with more understanding of their complex brain actions and metabolism.

Both immature and mature fat cells are important for hair growth cycles, with immature cells promoting growth and mature cells possibly inhibiting it.

The article concludes that developing in vitro models for human hair structures is important for research and reducing animal testing, but there are challenges like obtaining suitable samples and the models' limitations.