The particles of physical substances which are intentionally prepared with dimension ranges between 1-150 nm are termed as nanomaterials. Properties of nanomaterials may vary from particle of same materials with micron- or mm-scale dimensions. Nanomaterials can also be called as building blocks of nanotechnology in which physical and chemical properties of nanomaterials can be altered for specific applications. Technology in which nanomaterials are used offers extensive improvements in the field of cosmetics and personal care, nanomaterials used in the cosmetics and personal care differ from those used in other industries in their shape, molecular structure, their mode of usage and in their interactions with the environment and living world. These nanomaterials can be used in sunscreens, skin creams, hair products and oral hygiene products such as toothpastes and mouthwash. There are wide ranges of materials which can be used for preparing nanomaterials out of which zinc oxide, gold and titanium dioxide very common and used in different cosmetic products.
In Unites States and European countries, FDA and other regulatory authorities stated separate guidelines for use and labeling of nanomaterials in cosmetics and personal care products. According to research report published by Personal Care Products Council, global cosmetics and personal care industry is valued at more than $250 billion in annual retail sales in 2012 and growing continuously with significant rate. The usage of nanomaterials in cosmetics have been initiated long back by leading manufacturers in different products and include major plans of investment for product development in this direction. Extensive research and development activities on use of nanomaterials, confidence of leading personal care companies and growing acceptance of such products by consumers driving the market for nanomaterials in cosmetics and personal care products. At the same time, high cost and stringent regulations are hindering the growth for this market. Recently European authority has released new guidelines for use of nanomaterials in cosmetics focused on extent of usage, labeling and safety assessment. On the other hand U.S. FDA in June, 2014 guided industry regarding the characterizations and toxicity level of nanomaterials used in cosmetics and related products.
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Nanomaterials market in cosmetics and personal care can be segmented according to different categories such as regional geography, principal material and form of nanaomaterial preparation. Geographically, this market can be segmented in four regions namely North American, Europe, Asia-Pacific and Rest of the World, out of all these segments North America region have highest contribution in terms of value because of advanced research activities, affordability of large population. Followed by this Europe, Asia-Pacific and Rest of the World respectively are major segments of the market. This market can also be segmented according to types of principal material such as zinc oxide, titanium dioxide, silver, gold, alumina, mica, platinum and others. Out of all these principal materials, zinc oxide and titanium dioxide are widely used followed by gold and silver. The other segmentation for nanomaterials market can be by its form such as nanoemulsions, nanocapsules and nanosomes.
Currently various established companies in cosmetics and personal care business catering varied range of products with the use of nanomaterials L’Oreal, Procter and Gamble, Henkel, Unilever, Kao Corp Avon, Johnson and Johnson, Zelens, Sircuit Cosmeceuticals . in recent development Denmark has began consumer product registration for nanaomaterials in June 2014