The present invention relates to oil-in-water nanoemulsions, processes for their preparation and their use as delivery vehicles for active components for use in opthalmological, dermatological, food, cosmetic, pharmaceutical, agrichemical, textile, polymer and chemical applications. The oil-in-water nanoemulsion comprises up to 40 volume % of an oil phase comprising at least 50 volume % of a triglyceride having a fatty acid chain length of 12 carbon atoms or greater and a hydrophilic non-ionic surfactant having a hydrophilic-lipophilic balance (HLB) greater than 7; and an aqueous phase, in which the oil droplets have an intensity average size of less than 100 nm and the ratio of surfactant to oil is less than 1:1, more preferably 0.2 to 0.8:1.
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