Just spread boric acid on the floor in the corners of the bathroom that are most frequently visited by these insects. Wear a glove and a mask when using boric acid and keep children or pets away.
Lavender
As an effective natural repellent against these troublesome insects, lavender is also very useful for adding a delicious fragrance to the bathroom.
Put a few drops of the essential oil in different corners of the bathroom or cabinet. Alternatively, you can also use lemon or orange essential oils.
Pot trap
In addition to directly hunting silver fish, another option is to set up a trap that can eliminate the problem forever in a single night. One of the most popular is the potted trap.Wack the outside of a pot with adhesive tape and put in oat flakes. Silver episodes are attracted to oat starch, pass through the adhesive tape in the pot and are trapped inside, slipping on the jar.
Cinnamon is one of the best repellents for silverfish. Cinnamon is inexpensive and also has a wonderful aroma.
Place a pot filled with ground cinnamon in the bathroom or sprinkle it in the corners most often frequented by these unwanted insects.