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1 Squalene is a component of some adjuvants that are added to vaccines to enhance the immune response. 2  MF59, an adjuvant produced by Novartis and added to the FLUAD flu vaccine, is such an example. 3  Squalene by itself is not an adjuvant, but emulsions of squalene with surfactants do enhance the immune response.hat is squalene? 1  Squalene is a naturally occurring substance found in plants, animals, and humans. 2  Squalene is also found in a variety of foods, cosmetics, over-the-counter medications, and health supplements. 3  Squalene is commercially extracted from fish oil, and in particular shark liver oil.
Squalene is shark liver oil that had been used as one of the most common moisturizers in cosmetics before sourcing began endangering the species and a plant based version became viable for products.Squalane is derived by hydrogenation of squalene.It is naturally present in the skin lipid barrier of plants, animals and humans, preventing moisture loss while restoring skinâs suppleness and flexibility.qualene is shark liver oil that had been used as one of the most common moisturizers in cosmetics before sourcing began endangering the species and a plant based version became viable for products.