DARLIE is an oral care brand developed and produced by Haolai Chemical (Zhongshan) Co., Ltd. The main products are "DARLIE" black toothpaste and black toothbrushes.

Haolai Chemical was established in Shanghai in 1934. The products are popular in Chinese Mainland, Hong Kong, Taiwan and Southeast Asia. Black toothpaste takes the lead in using pure natural mint and natural aromatic formula, making "cool and vigorous" its special feature.