International Journal of Toxicology · 1997 · systematic review
In this CIR Expert Panel safety assessment of PEGylated castor oils, PEG-40 Hydrogenated Castor Oil and related ingredients showed little or no dermal or ocular irritation (a 20% formulation was predicted not to irritate human skin) and no sensitization in animal studies, supporting the conclusion that they are safe as used in cosmetics.











