V2EX beta-hydroxy acid

Beta-hydroxy Acid

定义 Definition

β-羟基酸(BHA):一类在β位(与羧基相隔一个碳)带有羟基(OH)的有机酸。护肤语境中最常指水杨酸(salicylic acid)等脂溶性去角质成分,常用于疏通毛孔、改善黑头与痘痘、控油。(该术语在化学/生物化学中也可指更广义的β-羟基酸类别。)

发音 Pronunciation

/bet hadrksi sd/

例句 Examples

Beta-hydroxy acid can help unclog pores.
β-羟基酸有助于疏通毛孔。

Because beta-hydroxy acid is oil-soluble, it can penetrate into pores and reduce blackheads more effectively than some other exfoliants.
由于β-羟基酸具有脂溶性,它能进入毛孔内部,比某些其他去角质成分更有效地减少黑头。

词源 Etymology

beta- 来自希腊字母 β(beta),在有机化学命名中用来表示相对羧基的“第二个碳位”(α为相邻第一位,β为下一位)。hydroxy 指“羟基(OH)”,源自表示“水”的词根;acid 源自拉丁语 acidus,意为“酸的”。合起来即“在β位带羟基的酸”。

相关词 Related Words

文学与著作 Literary Works

  • Cosmetic Dermatology: Principles and Practice(Leslie Baumann):讨论BHA(如水杨酸)在痤疮与角化相关问题中的应用。
  • Dermatology(Jean L. Bolognia 等):在角质溶解剂/痤疮治疗部分常提及β-羟基酸及水杨酸。
  • Harry’s Cosmeticology(化妆品科学经典教材,多版本/多作者延续):在去角质与配方原料章节常出现BHA相关表述。
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