A skin whitener has become a black eye for Kanebo Cosmetics Inc. The company said more than 7,000 consumers have complained that its products cause dermatological blotches. The company recalled the product in July, but the number of cases continues to climb. Kanebo, a unit of Kao Corp., reported 7,266 women—a 27% increase from 10 days ago—with skin problems caused by the recalled products. Nearly 3,000 of those women had three or more white splotches on their skin, spots that were 2 inches or mo...