|Arsenic is one of highly toxic metals and it can be absorbed via ingestion and inhalation. Arsenic accumulates in skin, hair, and nails. Chronic exposure to arsenic can result in dermatitis, hyper pigmentation, keratosis, leukemia, kidney cancer, and bladder cancer, damage to nervous system, anorexia, liver enlargement, and death. Chromium exposure via ingesting contaminated food or drinking water or breathing contaminated air may result in anemia, damage to the stomach or intestines, and cancer. The contact of several chromium containing products with skin can cause severe redness and swelling of the skin as well as skin ulcers.