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September 2021 in “Advanced functional materials” The DNA hydrogel helps heal diabetic wounds by absorbing fluids, warming, sticking to tissue, killing bacteria, and aiding tissue and hair regrowth.
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Spironolactone does not change hair growth.
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January 2014 in “Molecular Therapy” Applying a special DNA plasmid to the skin can make it thicker and stronger.
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January 2015 in “Current problems in dermatology” Ultraviolet rays damage hair, smoking may cause hair loss, and good nutrition is important for hair health, but genetics mainly decide hair thickness.