Radiance booster pen. The secret weapon of Dior makeup artists, the magic tool of glowing faces. The Light-Booster Complex acts as a true lighting engineer, smoothing away imperfections and creating light on the face. Instantly corrects areas of shadow and fatigue, sculpts and redefines face contours, Illuminates and refreshes the complexion with touches of light. The is formula enriched with an energizing cocktail of minerals and hyaluronic acid, goes on with a refreshing feel. It revitalized the skin to reveal more and more radiance day after day. Application tips: wear it under or over foundation, even on bare skin.