WASHINGTON (Reuters) - Certain commonly available skin creams may cause skin tumors, at least in mice, and experts should be checking to see if they might cause growths in people as well, researchers reported on Thursday.
Allan Conney and colleagues at Rutgers University in New Jersey said they discovered the risk while testing a theory that caffeine could prevent skin cancer.
"We sort of got into this by accident," Conney said in a telephone interview. "We wanted a safe cream that we could put the caffeine into.:
Reuters: Skin creams cause tumors on mice, study shows