Betaine Salicylate
Low RiskEster form of salicylic acid; hydrolyses to SA, low-strength topical use shows negligible systemic absorption - chemical peels ≥30 % should be avoided.
Sources: MotherToBaby: Topical acne treatments including salicylic acid https://www.ncbi.nlm.nih.gov/books/NBK582985/



