Abstract
The application of various nanoparticles and nanotechnology in cosmetics
and pharmaceuticals is an interesting area of research and development. The use of
nanotechnology has also emerged as an important tool for gene manipulations,
diagnosis of several diseases along with improvement in treatment efficacy. This
chapter has emphasized the use of nano-materials in cosmetics and pharmaceuticals
globally with associated legislation in different countries. More than 100 different
products have been listed and discussed with their uses in different fields along with
associated concerns.