Nanosilver is an efficient non-toxic antibacterial and virus-inhibiting ingredient. It is widely used in daily chemicals, such as wet wipes, coatings, and detergents. The addition of 10-30ppm has excellent antibacterial effects. However, due to Nano-silver has poor light stability. Products added with nano-silver often turn yellow after a short exposure to light. Adding a small amount of VTAO SIL03 can inhibit the yellowing of nano-silver and greatly improve product stability and value.