Epsom salt for blackheads removal – Here’s a surefire way to dislodge blackheads – Mix 1 teaspoon of Epsom salt and 3 drops Lugol’s Solution liquid iodine in 1/2 cup boiling water. When the mixture cools enough to stick your finger in it, apply it to the blackhead with a cotton ball. Repeat this three to four times, reheating the solution of necessary. Gently remove the blackhead and then dab the area with an alcohol based astringent.