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

If plugged pores or excess keratin is the bigger issue, gentle exfoliators such as lactic or salicylic acid can loosen excess dead skin and keratin. — Christa Joanna Lee, Allure, 19 Sep. 2026

The most common salicylic acid mistakes Over-exfoliation tops the list. — Hanna Wickes, Fort Worth Star-Telegram, 16 Sep. 2026

Save to wishlist Medicube Zero Pore Pads Plant extracts like cypress leaf and skullcap help balance oil and prevent future congestion, while willow bark extract and salicylic acid clear out dead skin and visibly tighten pores. — Kiana Murden, Vogue, 8 Sep. 2026

The formula features both physical exfoliating beads plus salicylic acid to gently remove dead skin and leave a smooth, velvety finish. — Alanna Martine Kilkeary, Glamour, 2 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