Ultraviolet (UV) radiation is a well‐known factor that causes skin aging. Recently, with the development of technology, the skin has been exposed to not only the UV radiation but also… Click to show full abstract
Ultraviolet (UV) radiation is a well‐known factor that causes skin aging. Recently, with the development of technology, the skin has been exposed to not only the UV radiation but also the blue light from electronic devices. Blue light is a high‐energy visible light that penetrates deep into the dermal layer, producing reactive oxygen species (ROS) and resulting in skin aging. In this study, we searched for candidate materials that can inhibit blue light–induced skin aging and found Caesalpinia sappan extract (CSE) to be effective.
               
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