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Skin structure complexity and variability are crucial for assessing skin toxicity in safety tests.

Printing human stem cells and a special matrix during surgery can help grow new skin and hair-like structures in rats.

Plant extracts like Avicennia marina, Boehmeria nipononivea, and Camellia sinensis could potentially treat hair loss with fewer side effects than synthetic drugs.

Stem cell therapy shows promise for treating hair loss in androgenetic alopecia.

Targeting the HEDGEHOG-GLI1 pathway could help treat keloids.

Sweat gland development involves two unique skin cell programs and a temporary skin environment.

Blocking IL-17 can reduce skin inflammation in a mouse model of pityriasis rubra pilaris.

Nanoparticle-based herbal remedies could be promising for treating hair loss with fewer side effects and lower cost, but more research is needed.

Platelet-rich plasma therapy may have benefits and is generally safe, but more research is needed to confirm its effectiveness and safety.

Exosomes show promise for tissue repair and regeneration with advantages over traditional cell therapies.

Stem cells regenerate tissues and their behavior varies by environment, suggesting the hematopoietic system model may need revision.

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

Skin and hair renewal is maintained by both fast and slow cycling stem cells, with hair regrowth primarily driven by specific stem cells in the hair follicle bulge. These cells can also help heal wounds and potentially treat hair loss.

The document suggests that activating autophagy might help with regeneration by removing old and damaged cells.

Some treatments like topical oxygen and stem cells show promise for wound healing and hair growth, but evidence for modern dressings over traditional ones is limited.

New techniques and findings in dermatologic surgery show improved pain management, safer liposuction, better hair transplantation, and effective treatments for skin conditions.

Finasteride and low-level laser therapy are similarly effective for frontal pattern hair loss.

Integrin alphavbeta6 is important for wound healing and hair growth, and blocking it may improve these processes.

The protein STAT3 slows down cell growth by blocking the FST gene, which affects hair development in sheep.

The protein interleukin-1 alpha helps regenerate hair follicles and increase stem cell growth in mice.

Current methods can't fully recreate skin and its features, and more research is needed for clinical use.

Hair follicles are normally protected from the immune system, but when this protection fails, it can cause hair loss in alopecia areata.

Melatonin, a hormone, can help protect skin from aging by reducing stress, inflammation, and damage, and may also help treat hair loss in women.

sPLA2-IIE is crucial for normal hair follicle structure and skin health.

Phospholipase A2 enzymes play key roles in skin health and disease.

Dental pulp stem cells are better for tissue repair, while fat tissue stem cells may be more suited for wound healing and hair growth.

Stem cell therapies could be a promising alternative for hair loss treatment, but more research is needed to understand their full potential and safety.

Epithelial stem cells can adapt and help in tissue repair and regeneration.

Certain immune cells in the skin release a protein that stops hair growth by keeping hair stem cells inactive.

Melanocyte stem cells are crucial for skin pigmentation and have potential in disease modeling and regenerative medicine.