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Hair and skin healing involve complex cell interactions controlled by specific molecules and pathways, and hair follicle cells can help repair skin wounds.

Exosomes from stem cells may help rejuvenate skin and regrow hair, but more research is needed.

Mesenchymal stem cells show potential for skin healing and anti-aging, but more research is needed for safe use, especially regarding stem cells from induced pluripotent sources.

Researchers created a 3D hydrogel that mimics human hair follicles, which may help with hair loss treatments.

Four natural compounds were found to promote hair growth effectively.

Dexamethasone affects hair growth by altering levels of proteins that either promote or inhibit hair follicle growth.

Wound dressing absorbs fluid, regenerates hair follicles, and heals skin burns.

A substance called 15-deoxy prostaglandin J2 can cause hair follicle cells to die, which might explain how prostaglandin D2 can lead to hair loss.

Glypican-1 is important for blood vessel growth in hair follicles and could help treat hair loss.

Further research is needed to improve hair regeneration using stem cells and nanomaterials.

An apple-based supplement was found to stimulate hair protein production, which may help with hair growth.

Lespedeza bicolor extract promotes hair growth and increases hair follicle cell growth, potentially making it a better treatment than minoxidil.

The study mapped yak skin cells to understand hair growth better.

Epithelial-mesenchymal interactions control hair growth cycles through specific molecular signals.

Germacrene analogs, especially 8-Hydroxy germacrene B, are more effective than germacrone at blocking a hormone-related enzyme and could help treat hair loss.

Cilostazol helps hair grow by making hair root cells grow faster and changing growth factor levels.

Guava leaf extract may help treat hair loss and protect cells by blocking certain genes and fighting damaging molecules.

Arachidonic acid helps hair grow by increasing growth factors and improving follicle health.

FP-1 is a key protein in rat hair growth, active only during the growth phase.

Immune cells are essential for early hair and skin development and healing.

Placental growth factor may help treat hair loss.

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

The document concludes that while lab results for hair growth promotion are promising, human trials are needed and better testing methods should be developed.

Undariopsis peterseniana extract helps hair grow by activating certain cell growth pathways and could be a new treatment for hair loss.

Stem cell technologies and regenerative medicine, including platelet-rich plasma, show promise for hair restoration in treating hair loss, but more research is needed.

Quercetin significantly helps hair growth by activating hair follicles and improving blood vessel formation around them.

Cell-based models help test if cosmetic ingredients really work for hair growth and skin health.

Thymosin β4 helps increase hair growth in Cashmere goats.

Hair loss in Androgenetic alopecia (AGA) is due to altered cell sensitivity to hormones, not increased hormone levels. Hair growth periods shorten over time, causing hair to become thinner and shorter. This is linked to miscommunication between cell pathways in hair follicles. There's also a change in gene expression related to blood vessels and cell growth in balding hair follicles. The exact molecular causes of AGA are still unclear.

A substance called Cell-free fat extract can effectively treat common hair loss by increasing hair growth and density.