이 원료는 다음의 구조를 갖는 지방족 다이알데하이드이다.

Glyoxal: Glyoxal is an antimicrobial preservative that works by forming formaldehyde in cosmetic products. People exposed to such formaldehyde-releasing ingredients may develop a formaldehyde allergy or an allergy to the ingredient itself. In the U.S. approximately 20% of cosmetics and personal care products contain a formaldehyde-releaser and the frequency of contact allergy to these ingredients is much higher among Americans compared to studies in Europe.

本品は、次の化学式で表されるアルデヒドである。