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Benzoic acid and salicylic acid are common components in cosmetics, but due to their similar chemical structures and properties, they can easily be confused. Benzoic acid is often used as a preservative and antibacterial agent in cosmetics, while salicylic acid is used to remove keratin and astringe pores. Distinguishing these two components correctly is crucial for selecting appropriate cosmetics and protecting skin health

Benzoic acid and salicylic acid can be distinguished through a list of ingredients. In the ingredient list of cosmetics, benzoic acid usually appears as "benzoic acid" or "para ben", while salicylic acid appears as "salicylic acid". Therefore, carefully reading the ingredient list of cosmetics can help us determine the ingredients contained in the product

Benzoic acid and salicylic acid can be distinguished by the efficacy of the product. Benzoic acid mainly has anti-corrosion and antibacterial effects, and is often added to skincare and cosmetics to help extend the service life of products. Salicylic acid has the effects of exfoliating and astringent pores, and is often added to exfoliating products and astringent water to help improve skin texture and clean pores

In addition, benzoic acid and salicylic acid can be distinguished by the usage method and precautions of the product. Benzoic acid is usually added as a preservative and antibacterial agent in cosmetics, so for users, they only need to pay attention to whether the product contains benzoic acid, without worrying about its usage method. Salicylic acid, on the other hand, needs to pay attention to its concentration and frequency of use, usually added in the form of chemotherapy in exfoliating products. Therefore, when using it, it is necessary to follow the instructions in the product manual

Overall, correctly distinguishing between benzoic acid and salicylic acid requires certain skills and knowledge. By carefully reading the ingredient list, understanding product efficacy and usage precautions, we can better choose cosmetics that are suitable for our skin type and needs, avoiding unnecessary skin problems and allergic reactions. I hope this article's introduction can help everyone better understand these two common ingredients, which are helpful for protecting skin health.