The application of nanotechnology in anti-aging cosmetics has gained significant importance in recent years, offering solutions to the limitations of conventional cosmetics formulations. However, gaps remain in understanding optimal nanoparticles for specific anti-aging applications and useful safety profiles. This paper discusses various nanoparticle systems and their efficacy and advantages in anti-aging cosmetics and their application in anti-aging creams and lotions by analyzing various nanoparticle systems - liposomes, niosomes, and solid lipid nanoparticles - and their specific mechanisms in anti-aging applications. The results of this paper show that liposomes enhance active ingredient delivery through their phospholipid bilayer structure, while niosomes effectively encapsulate antioxidants. These nanostructures overcome traditional formulation challenges by enhancing penetration into deeper skin layers, improving the stability of active compounds, enabling targeted delivery to specific skin places, and allowing the integration of multiple functionalities within single products. Applications in the anti-aging formulation also include advanced moisturizing through occlusive barrier formation, enhanced collagen production via peptide delivery, transparent broad-spectrum UV protection with nano-sized metal oxides, and efficient wrinkle reduction through retinoid delivery systems. The further use of nanoparticles provides a framework for developing next-generation anti-aging cosmetics with enhanced personalization potential while emphasizing the need for safety assessment and regulatory compliance in this rapidly evolving field.
Rui Zheng (Fri,) studied this question.