Sodium Chloride is considered a low hazard. Sodium Chloride as "Slightly hazardous in case of skin contact (irritant), of eye contact (irritant), of ingestion, of inhalation" and "Mutagenic for mammalian somatic cells. Mutagenic for bacteria and/or yeast," which may account for the in vitro test results mentioned by the Cosmetics Database. Whether ingested or applied topically, Sodium Chloride is considered safe and non-carcinogenic or toxic.