A high-performance UV-clearing serum that firmly blocks (*1) even DEEP ultraviolet rays (*2), which easily reach the stratum corneum among ultraviolet rays. The elastic D-UV Guard film conforms perfectly to the skin, even when the skin moves a lot due to changes in facial expression. It prevents "sunburn before you know it" and conditions the skin for a clear, whitened complexion (*3). 1Long-wave UVA-I *2Deep UV protection means preventing UV rays from reaching the inside of the skin on the stratum corneum.