Olivem® 300 (Olive Oil PEG-7 Esters) is a versatile, water-soluble functional lipid celebrated for its sebum-recovering activities and exceptional emolliency. This slightly yellow liquid, at 20°C, enhances skin smoothness while providing long-lasting moisture, making it ideal for various cosmetic formulations. Beyond its moisturizing benefits, Olivem® 300 serves as an effective solubilizing aid for essential oils and perfumes, and functions as a co-emulsifier for oil-in-water systems. Recommended usage levels vary across applications, with optimal concentrations ranging from 0.5 to 2% in toiletries as a refatting agent, and up to 5% in skincare products as a nourishing emollient. Whether used in color cosmetics or bar soaps, this ingredient not only protects the hydrolipid barrier but also reduces water absorption, underscoring its multifunctional role in skincare and cosmetic formulations.