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Androgens increase a growth factor in hair cells by creating reactive oxygen species, and antioxidants might help treat hair loss.

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

Mutations in the LSS gene cause a rare type of hereditary hair loss.

Stem cells help repair tissue mainly by releasing beneficial substances, not by replacing damaged cells.

Defective mitochondrial DNA replication causes aging symptoms and increased oxidative damage in mice.

IGF-1 injections help mice grow more hair by increasing cell growth and blocking a hair growth inhibitor.

Prolactin slows down hair growth in mice.

miR-22, a type of microRNA, controls hair growth and its overproduction can cause hair loss, while its absence can speed up hair growth.

Pitx2 helps outer root sheath cells differentiate but can't start hair growth on its own.

Working night shifts for four days can lower the body's ability to use insulin, which may increase the risk of type 2 diabetes.

Equisetum debile extract, especially the ethyl acetate type, may be a promising natural ingredient for anti-hair loss products.

Different treatments for alopecia areata have varying success rates and side effects; intralesional steroids are most effective.

Jojoba oil is highly valued for its diverse medicinal and industrial uses.

Exosomes can improve skin health and offer new treatments for skin repair and rejuvenation.

The document concludes that future heart disease research should account for sex-specific differences to improve diagnosis, treatment, and outcomes.

Keratin peptides can change hair shape gently without harsh chemicals.

Premature graying of hair may suggest health issues and currently lacks effective treatments.

Melatonin improves cashmere goat hair growth and quality by increasing antioxidants and reducing cell death.

Plant steroid hormones show growth, health, and medicinal benefits in various organisms, including potential for treating diseases.

Human skin produces sex hormones like estrogen and testosterone, influenced by ARO and StAR, which may affect skin elasticity and hair growth.

Researchers developed a new method to identify animal hair in textiles, which is effective for various fibers and more reliable than previous methods.

Minoxidil works in liver and outer hair root sheath for hair growth.

Dendrobium officinale polysaccharides may help with hair growth, skin moisturization, and protection against oxidative damage.

*Acorus calamus* has many medicinal benefits but needs more safety research.

New compounds with carborane showed anti-androgen effects similar to flutamide.

Microneedle arrays with nanotechnology show promise for painless drug delivery through the skin but need more research on safety and effectiveness.

Damaging mitochondrial DNA in mice speeds up aging due to increased reactive oxygen species, not through the p53/p21 pathway.

Vitamin C helps adipose-derived stem cells grow and may support hair growth.

Mice with human gene experienced hair loss when treated with DHT.

New steroidal compounds could be effective for treating conditions related to 5α-reductase enzyme activity.