이 원료는 다음의 구조를 갖는 페놀이다.

Resorcinol (CI 76505): This common ingredient in hair color and bleaching product is a skin irritant that is toxic to the immune system and a frequent cause of hair dye allergy. In animal studies, resorcinol can disrupt thyroid hormone synthesis and can produce goitrogenic effects. The federal government regulates exposures to resorcinol in the workplace, but there are no regulations limiting amounts of resorcinol in personal care products.

本品は、次の化学式で表される芳香族化合物である。