Cetaphil Brightening Night Comfort Cream is generally safe for topical use. Its ingredients, such as Niacinamide, Sea Daffodil, and Hyaluronic Acid, are not known to cause kidney or liver damage, as the cream is applied to the skin and is minimally absorbed into the bloodstream. However, if you have pre-existing kidney or liver problems or notice any unusual skin reactions, please consult your doctor or dermatologist before use.