The Science Behind Water-Based, Yet Water-Resistant Sunscreens│Shiseido

Have you ever felt that light, easy-to-apply daily sunscreens wash away too easily with sweat or water? Previously, enhancing the water resistance of a water-based sunscreen required adding UV scattering agents and film-forming agents, which frequently caused a white cast and stickiness. To address this issue, Shiseido turned its attention to soap-derived ingredients. After application, soap-derived ingredients react with metal ions in sweat and water, forming a highly water-resistant coating film on the surface of the skin. This approach achieves both the light, comfortable feel characteristic of water-based formulations and high water resistance, without relying on UV scattering agents🌞 Driven by our researchers' passion to create a sunscreen that people will love using every single day, this technology offers a whole new experience in daily sun care. ▼Learn more about this groundbreaking technology: https://corp.shiseido.com/en/news/detail.html?n=00000000004108 ▼Water resistance test: https://youtu.be/1pK5fpd1APw