Nanotechnology in Cosmetics: A Review

In 1986, the Christian Dior brand first incorporated liposomes in cosmetics as part of its Capture line. Since that time, many cosmetic manufacturers followed suit by incorporating nanotechnology into their formulations. Nanoparticles are defined as particles ranging from 1 to 100 nm, although this definition may be altered to account for particles larger than 100 nm. Some researchers also call particles between 100 nm and 1 µm nanoparticles because they exhibit size-related properties that differ significantly from those observed in bulk materials. A number of nanoparticles such as metal oxide nanoparticles, polymeric nanocapsules, fullerenes, nanocrystals, solid lipid nanoparticles and nanostructured lipid carriers have been investigated for cosmetic applications.1, 2

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