Answer
Although salicylic acid may be absorbed through the skin, there is no evidence of systemic absorption from use of the Thornton & Ross Ltd Salicylic Acid Ointment BP product.
Sources for this answer
- Salicylic Acid Ointment BPThornton & Ross Ltd · emc · SmPC §5.2 Pharmacokinetic properties · Version 5Document updated
Sources checked