INCI: Glyceryl Stearate APPEARANCE: White powder RECOMMENDED CONCENTRATION: 1.0 - 3.0% HLB: 4 IMWITOR® 491 is a non-ionic O/W co-emulsifier with a monoester content of minimum 90%. It enhances the consistency of O/W emulsions. Hot process. 100% natural based (ECOCERT/COSMOS approved; NOI of 1.0 according to ISO 16128).