salicylic acid

noun

sal·​i·​cyl·​ic acid ˌsa-lə-ˈsi-lik- 

: a crystalline phenolic acid C₇H₆O₃ that is used medicinally especially as a skin exfoliant and in the form of salts and other derivatives as an analgesic and antipyretic compare aspirin

Examples of salicylic acid in a Sentence

Recent Examples on the Web

For more instant results, salicylic acid completes the trio by exfoliating away dead surface cells and pore-clogging buildup, helping refine the look of large pores standing between you and that aforementioned glassy glow. — Christa Joanna Lee, Allure, 2 Oct. 2026

Prequel’s Gleanser is up for the challenge with a meticulous blend of one percent salicylic acid to clear away surface oils and dead skin, along with zinc PCA to keep sebum in check. — Jenny Jin, Glamour, 29 Sep. 2026

Rather than relying on harsher skincare actives like vitamin C, salicylic acid, or retinol, the Essentials collection focuses on gentle, moisturizing ingredients, such as hyaluronic acid, glycerin, shea butter, and cocoa butter. — Katie Decker-Jacoby, StyleCaster, 28 Sep. 2026

While some salicylic acid products can be overly drying, First Aid Beauty’s treatment is made for sensitive skin, without alcohol or artificial fragrances. — Claudia Fisher, Parents, 25 Sep. 2026

Word History

Etymology

French salicylique, from salicyle, the group HOC₆H₄CO, from salicine salicin + -yle -yl

First Known Use

1840, in the meaning defined above

Rhymes for salicylic acid

• antacid
• placid

Kids Definition

salicylic acid

noun

sal·​i·​cyl·​ic acid ˌsal-ə-ˌsil-ik- 

: a weak acid used especially in the form of salts to relieve pain and fever

Medical Definition

salicylic acid

noun

sal·​i·​cyl·​ic acid ˌsal-ə-ˌsil-ik- 

: a crystalline phenolic acid C₇H₆O₃ that is the ortho form of hydroxybenzoic acid and is used especially in making pharmaceuticals and dyes, as an antiseptic and disinfectant especially in treating skin diseases, as a keratolytic agent for skin exfoliation, and in the form of salts and other derivatives as an analgesic and antipyretic and in the treatment of rheumatism see aspirin