Safety of medicinal comfrey cream preparations (Symphytum officinale s.l.): The pyrrolizidine alkaloid lycopsamine is poorly absorbed through human skin

Publication date: Available online 15 September 2020Source: Regulatory Toxicology and PharmacologyAuthor(s): Kenny Kuchta, Mathias Schmidt

Source: Regulatory Toxicology and Pharmacology - September 15, 2020 Category: Toxicology Source Type: research