Phytobright-FR is extracted from the Korean ash tree. Traditionally it has been used as a natural dye providing a blue colour. Medicinally, it has been used in oriental medicine to treat eye disease, inflammatory diseases and fever. Besides the well-known anti-oxidant effect of this plant, Natural Solution has found skin brightening effects which were proven by clinical evaluation on facial dark spot areas.

Phytobright-FR是从韩国的灰树中提取的。传统上它被用作提供蓝色的天然染料。在医学上，它已被用于治疗眼部疾病，炎症性疾病和发烧的东方医学。除了这种植物众所周知的抗氧化作用之外，Natural Solution还发现了通过面部暗斑区域的临床评价证明的皮肤增白效果。