Can anyone give me a detailed answer on how epsom salt reduces swelling?

Soaking your swollen body parts in an Epsom salt solution combats inflammation because the magnesium in the salts reduce swelling. Magnesium is an essential mineral that can be taken internally or applied topically to lessen inflammation and swelling, reports Health Quest. Inflammation typically causes a depletion of magnesium, so as your body absorbs magnesium from Epsom salts, the magnesium works to combat the inflammation