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Researchers developed a new method to test hair growth drugs and found that adult cells are best for hair growth, but the method needs improvement as it didn't create mature hair follicles.

Collagen peptides from marine and bovine sources may help prevent hair loss by affecting hair follicle stem cells differently.

The 2015 Hair Research Congress concluded that stem cells, maraviroc, and simvastatin could potentially treat Alopecia Areata, topical minoxidil, finasteride, and steroids could treat Frontal Fibrosing Alopecia, and PTGDR2 antagonists could also treat alopecia. They also found that low-level light therapy could help with hair loss, a robotic device could assist in hair extraction, and nutrition could aid hair growth. They suggested that Alopecia Areata is an inflammatory disorder, not a single disease, indicating a need for personalized treatments.

Water extract of Cacumen Platycladi helps hair growth by activating specific cell pathways.

TRPV3 in skin cells causes inflammation and cell death.

The study concluded that similar pathways regulate hair growth in dogs and mice, and these pathways are disrupted in dogs with Alopecia X, affecting stem cells and hormone metabolism.

Only skin melanocytes, not other types, can color hair in mice.

Human foreskin does not show aging or reduced cell growth after radiation, and H2A.J is not a good marker for radiation-induced aging.

Overactive Wnt signaling in mouse skin stem cells causes acne-like cysts and shrinking oil glands, which some treatments can partially fix.

Skin cells from people with Epidermolysis Bullosa Simplex have abnormally placed and less active mitochondria.

Adding insulin-like growth factor 1 and bone marrow-derived stem cells to a collagen-chitosan scaffold helps wounds heal faster and regrows hair follicles.

Regulating cell death in hair follicles can help prevent hair loss and promote hair growth.

The skin's microbiome helps hair regrow by boosting certain cell signals and metabolism.

Hair follicle stem cells can help treat ulcerative colitis in mice by releasing beneficial exosomes.

Skin cells and certain hair follicle areas produce hemoglobin, which may help protect against oxidative stress like UV damage.

The anti-CXCL4 antibody helps mice grow hair faster and prevents hair loss.

The enzymes Tet2 and Tet3 are important for skin cell development and hair growth.

Chemotherapy damages hair follicles, causing hair loss and other cellular changes.

Aging disrupts skin repair and stress responses, but exercise-related IL-15 improves wound healing and skin health in older skin.

Fibrosis in the bulge area of hair follicles can cause hair thinning in male pattern baldness, and drugs that inhibit fibrosis might help reverse this.

Hoxc genes control hair growth through Wnt signaling.

Niacin deficiency makes rats more sensitive to cancer-causing chemicals.

Cryopreserved mouse whisker follicles can grow hair when transplanted into nude mice.

TLR2 helps control hair growth and regeneration, and its reduction with age or obesity can impair hair growth.

Human skin xenografting could improve our understanding of skin development, renewal, and healing.

Androgenetic alopecia is a long-term, immune-related disorder that starts during puberty due to androgen secretion, and it might be improved with iron tablets, platelet transfusion, and anti-inflammation therapy.

Vitamin D receptor helps control hair growth and could be used to treat certain skin tumors.

Radiation damages salivary glands by harming blood vessels, but antioxidants might help protect them.

Applying a special DNA plasmid to the skin can make it thicker and stronger.

Some drugs may help treat both COVID-19 and radiation injury.