Challenger toothpaste brand contends with Colgate, Crest and Darlie in China

"Even if life gives you a hundred reasons to cry, you should find one reason to smile," according to a tear-jerker line from a micromovie by local toothpaste brand Zhonghua (中华牙膏), which is trying to score points with younger consumers in the oral-hygiene category.

by Jenny Chan 陳詠欣