1. Brand awareness: Crest and Lion King are both well-known brands, enjoying high visibility and market share worldwide. Both brands have a long history and a professional R&D team in the field of oral care, which can provide toothpaste products with different functions.

2, product efficacy: Crest and Lion King toothpaste contain different active ingredients, which can provide relief and treatment for different oral problems. Crest toothpaste is mainly composed of fluoride, which can enhance the caries prevention ability of teeth. At the same time, there are some special effects products such as dentine hypersensitivity and fresh breath. Lion king toothpaste mainly contains active calcium and fluoride, which can clean the mouth, form a protective layer and protect teeth from external damage.