“…Nanotechnology has been playing an important role in different fields of biology and medicine including targeted drug delivery (Ghosh, Girigoswami, & Girigoswami, 2019;Girigoswami, Pallavi, & Girigoswami, 2020), imaging (Gowtham et al, 2022;Jagannathan, 2022), biosensing (Akhtar, Metkar, Girigoswami, & Girigoswami, 2017;Girigoswami, Ramalakshmi, Akhtar, Metkar, & Girigoswami, 2019;, theranostics (Agraharam, Saravanan, Girigoswami, & Girigoswami, 2022;Chatterjee et al, 2023;Haribabu, Girigoswami, Girigoswami, & Nano-Objects, 2021;, nanoformulation of nutraceuticals (Balasubramanian, Girigoswami, & Girigoswami, 2022, etc. Among them, silver and gold have shown their special applications in many cosmetic and skin care products including the role of silver in improving female hygiene products, such as sanitary towels and panty liners (Ahmadi, 2020;Sakthi Devi, Girigoswami, Siddharth, & Girigoswami, 2022;Salvioni et al, 2021).…”