"The study found no statistically significant association between genital powder use and ovarian cancer," study co-author Katie M. O'Brien told Newsweek.
Multiple claims have been made against the company's talc.
Amy Krouse Rosenthal recently penned a dating profile essay for her husband, in anticipation of her death.
Death rates from 1970 to 2012 fell the most in developed nations with widespread use of the oral contraceptive.
A claims the company's talc-powder products caused her ovarian cancer, and in February a jury awarded $72 million to the family of a woman who died of ovarian cancer.
A woman who used Baby Powder and Shower to Shower for feminine hygiene for more than 35 years was diagnosed three years ago with ovarian cancer.
Jolie, 39, said she had gone public with her decision to tell other women about the options available to them.