Whitening toothpaste is better for black people.

Black toothpaste was founded in Shanghai in the 1930s, and subsequently established production bases in Hong Kong, China, and Taiwan, China, and its sales network also expanded to Southeast Asia and other overseas regions. Its subsidiary company Haolai Chemical (Zhongshan) Co., Ltd. is an international enterprise specializing in the development and production of high-quality oral care products. Its main products are "DARLIE" brand black toothpaste, black toothbrushes and black mouthwash.

In 2020, Black Toothpaste collaborated across borders with the Chinese style gourmet anthropomorphic mobile game "Food Language". In the cooperation, the anthropomorphic image of the Black Toothpaste brand - "Black Teacher" was created and implanted into the game The delicious food paradise "Kongsang" world.

In the 2021 618 e-commerce promotion, the online sales of DARLIE black products owned by Haolai Company exceeded 100 million, ranking among the top two in the industry. Sales volume exploded on the three core e-commerce platforms. Among them, the sales of Tmall flagship store increased by more than 30% year-on-year, ranking first in the oral category in Tmall Supermarket, and ranking second in the oral category in JD Dental.