Nanocosmetics: Performance Enhancement and Safety Assurance

The document discussed the integration of nanotechnology in cosmetics, highlighting its application in products like sunscreens, antiaging creams, and hair growth promoters. It detailed the use of labile nanoparticles and insoluble particles, such as liposomes, SLNs, and fullerenes, to enhance product performance. The chapter also covered the development of nano-sized active ingredients like retinol and titanium dioxide, and addressed the evolving methods for assessing their efficacy and safety. Additionally, it mentioned the significant investment in R&D by cosmetic companies and the regulatory efforts to ensure the quality and safety of nanocosmetics.