1. Network: use the Internet to find out who bought toothpaste from official website and check the efficacy verification materials published by him, so as to avoid buying fake efficacy toothpaste without efficacy verification.

Second, the content:

1, the toothpaste paste is smooth and has a fresh smell; When in use, the foam is rich and the fragrance is lasting; Fresh fragrance is white paste, Leng Xiang mint is dark green paste, and all the cold tastes are green and white paste.

2. The paste of fake toothpaste is rough and tasteless; No foam when used.

Extended data

Distinguish between true and false:

1. The national standard for functional toothpaste stipulates that all functional toothpastes that meet the standard will be marked with "QB2966" on the package. Toothpaste is divided into two categories, one is ordinary toothpaste with fresh breath, which implements the "GB8372" toothpaste standard; The other type is efficacy toothpaste, which implements the "QB2966" efficacy toothpaste standard.

2. The functions of functional toothpaste include: preventing dental caries, inhibiting dental plaque, resisting bacteria, resisting allergy, relieving symptoms of gum discomfort, eliminating or alleviating halitosis, removing spots and whitening, and resisting dental calculus. Therefore, all kinds of "spot-removing whitening toothpaste", "full-effect toothpaste" and "anti-allergic toothpaste" sold in the market belong to the category of functional toothpaste.

Reference source: Baidu Encyclopedia-Nanyaowang