이 원료는 다음의 구조를 갖는 메틸알코올과 살리실릭애씨드의 에스터이다.

methyl 2-hydroxybenzoate: Methyl salicylate is an anti-inflammatory ingredient common in pain relief creams for muscles and joints. Although the U.S. cosmetic industry's safety panel (Cosmetic Ingredient Review) considers this ingredient safe in products formulated to avoid irritation, a consumer's death in 2007 was linked to excessive exposure to a sports cream containing this chemical. In response, the manufacturer urged consumers to follow the directions for this over-the-counter drug.

本品は、サリチル酸（＊）のメチルエステルであり、次の化学式で表される。