Salicylic Acid EP/USP is derived from the metabolism of salicin. In addition to being an important active metabolite of aspirin (acetylsalicylic acid), which acts in part as a prodrug to salicylic acid, it is probably best known for its use in anti-acne treatments. salicylic acid is used as a food preservative and as bactericidal and antiseptic.

水杨酸EP / USP来源于水杨苷的代谢。除了作为阿司匹林（乙酰水杨酸）的重要活性代谢产物，其部分作为水杨酸的前体药物起作用外，它可能以其在抗痤疮治疗中的应用而闻名。水杨酸被用作食品防腐剂和杀菌防腐剂。