This review investigates the various applications of silver nanoparticles (AgNPs) in cosmetics and semiconductors, bridging the gap between these two diverse industries. It focuses on utilizing nanosilver in both industries, the paper explores how subtle alterations in nanoparticle properties and synthesis methods lead to profound shifts in behavior, allowing the same material to be employed in two extensively different sectors. Offering an up-to-date overview of ongoing activities in this field, the review expresses a shared interest in AgNPs, covering their origin, properties, and applications in the cosmetic and semiconductor industry. Additionally, it addresses the crucial aspect of AgNPs' toxicity, exploring its harmful implications for both human health and the environment. Furthermore, the review suggests new research ideas for combining cosmetics and semiconductors. By providing insights into the adaptability and implications of silver nanoparticles, this review serves as a valuable resource for researchers and professionals, offering scope for future explorations at the intersection of cosmetic and semiconductor technologies.