In summer, sun protection is more important than whitening.
Tips
culture
Skin-whitening is a huge category in Chinese beauty; the saying 一白遮百丑 ('one whiteness hides a hundred flaws') captures the aesthetic. Modern products focus on brightening and reducing pigmentation rather than literal bleaching.
usage
Used attributively as a product descriptor: 美白精华 (whitening serum), 美白面膜 (whitening mask), 美白牙膏 (whitening toothpaste).