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Wounds on the face usually heal with scars, but understanding how some wounds heal without scars could lead to better treatments.

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.

The right cells and signals can potentially lead to scarless wound healing, with a mix of natural and external wound healing controllers possibly being the best way to achieve this.

Bioengineered nanoparticles can effectively treat hair loss by targeting specific enzymes and receptors.

Blocking miR-27a increases sheep hair follicle stem cell growth and decreases cell death, which could help improve wool quality and treat hair loss.

Hair follicle regeneration possible, more research needed.

Immune cells around hair follicles help control hair growth and could be targets for treating hair disorders.

The research found that a complex gene network, controlled by microRNAs, is important for hair growth in cashmere goats.

Shi-Bi-Man, a Traditional Chinese Medicine, helps grow hair by boosting lactic acid metabolism and activating hair follicle stem cells.

Hair follicle studies suggest that maintaining telomere length could help treat hair loss and graying, but it's uncertain if mouse results apply to humans.

Targeting a protein that blocks hair growth with microRNAs could lead to new hair loss treatments, but more research is needed.

Alkaline Ceramidase 1 prevents early hair loss in mice by keeping hair follicle stem cells balanced.

Acne is caused by multiple factors including oil production, bacteria, inflammation, and possibly diet and environment.

Microorganism overgrowth and hyperkeratosis may trigger immune reactions causing lichen planopilaris.

Red deer antler extract may help hair grow faster by increasing a growth protein.

Certain genetic markers linked to wool quality in Rambouillet sheep were identified, which can guide better breeding choices.

Fasting in hens affects thyroid hormones, which regulate feather and hair growth.

Noncrosslinked hyaluronic acid helps human hair cells grow and could be a potential hair loss treatment.

A topical BRAF inhibitor, vemurafenib, can speed up wound healing and promote hair growth, especially in diabetic patients.

Noncoding dsRNA boosts hair growth by activating TLR3 and increasing retinoic acid.

The conclusion is that hair growth can be improved by activating hair cycles, changing the surrounding environment, healing wounds to create new hair follicles, and using stem cell technology.

Apoptosis contributes to hair loss in androgenetic alopecia.

A new compound, HTPI, promotes hair growth by protecting cells from damage and regulating energy use.

Exosomes from dermal papilla cells help hair follicle stem cells grow and survive.

miR-195-5p reduces hair growth ability in cells by blocking a specific growth signal.

New regenerative therapies show promise for treating hair loss.

Loss of Fz6 disrupts hair follicle and associated structures' orientation.

Brain hormones significantly affect hair color and could potentially be used to prevent or reverse grey hair.

A specific gene change plus an additional mutation in the same gene cause hereditary trichilemmal cysts.

Tofacitinib was effective in treating hair loss in two patients with alopecia universalis.