Respondents were asked whether the presence of a celebrity in an ad makes them more likely or less likely to buy the product, or leaves them neither more nor less likely to do so. Just 8 percent said seeing the celebrity makes them more likely to buy the product, vs. 12 percent saying it makes them less likely. But a landslide 78 percent said it doesn't affect them one way or the other.
— Read more at Most Claim to Be Unswayed by Celebrities in Ads at Adweek. (found via cosmeticnews)