C9-11 Pareth-4 is a polyethylene glycol ether of a mixture of synthetic C9-11 fatty alcohols with an average of 4 moles of ethylene oxide

Other restriction: ban substances that deplete the ozone layer

출처: European Commission CosIng

Reviewed by CIR: Safety Assessment of Alkyl PEG Ethers as used in Cosmetics

출처: Cosmetic Ingredient Review