Nanotechnology, the field of science which deals with particles of size 10-9m is seen to find application in all fields like medicine, textile, electronic to industries like cosmetics. The enhanced physiochemical properties of nanomaterials make them interested in skin and hair care products which reflects in better UV filtering, anti-tanning, anti-aging like properties. The materials used in these cosmetic products their properties; characterization technique and the clinical testing are discussed in this review article.

Keywords : Nanomateria; Titanium Dioxide; Clinical Testing; Safety Assessment.