ZLEY® RA is resorcinol acetate, also known as resorcinol monoacetate (CAS 102-29-4). Confirm the grade’s identity, assay, solubility and handling requirements in its current COA, TDS and SDS. A supplier’s suggested formulation range is not a legal maximum or evidence that every finished product is safe or effective.

For U.S. OTC acne drug claims, FDA Monograph M006 specifies 3% resorcinol monoacetate only in combination with 3–8% sulfur, together with the monograph’s other conditions. This does not amount to blanket FDA approval of an ingredient or a cosmetic formula. Read our resorcinol monoacetate and FDA M006 guide before planning claims for a target market, and ask ZLEY® for current grade documentation.