Source · study Comedogenicity in rabbit: some cosmetic ingredients/vehicles Primary source Publisher:Cutaneous and Ocular Toxicology (Nguyen, Dang & Maibach) Source type:Journal · study Last checked:2026-10-26 URL: https://doi.org/10.1080/15569520701555383 Pages that cite it Evidence: In the rabbit ear-canal assay, the nine materials graded positive were eight esters (isopropyl palmitate, isopropyl myristate, butyl stearate, isopropyl isostearate, decyl oleate, isostearyl neopentanoate, isocetyl stearate, myristyl myristate) and cocoa butter.