Study : Many Sunscreens may promote skin cancer
Only 39 of the 500 products the group- examined were considered safe and effective to use
FOX 5 San Diego Staff
11:51 AM PDT, May 24, 2010
LOS ANGELES — Almost half of the 500 most popular sunscreen products may actually promote the growth of skin cancer instead of preventing it, according to a new study.
The sunscreens in question contain vitamin A or its derivatives, which could possibly result in cancerous tumors when used on skin exposed to sunlight, the Environmental Working Group reported Monday in its annual report.
In a yearlong study of vitamin A’s photocarinogenic properties, tumors and legions developed up to 21-percent faster in lab animals coated with creams containing the vitamin, the report states.
Click here for a list of the best and worst sunscreens, according to EWG.