Products Description Oleic acid (distilled) is an unsaturated omega-9 fatty acid. It is used as an emollient, moisturizer and co-emulsifier in cosmetic formulations. Solubilizing agent in aerosol products. HLB 15. Use Recommended use level 1-5%. Add to water phase of emulsions. For external use only. Applications Skin and hair care products, color cosmetics