Is the taste of American Sylvie lipstick normal?

The taste of American Xiwei lipstick is not normal. According to relevant public information, the taste of lipstick has become different from before, indicating that it has deteriorated. After lipstick is opened, it will be oxidized when exposed to air, and bacteria will decompose cosmetics, which is an organic fermentation process. Acidification will give off a rancid smell, covering up the fragrance of lipstick itself, which will be unpleasant.