Yves Saint Laurent Touche Eclat Radiant Touch Pen is a lightweight illuminating concealer and highlighter that helps brighten the complexion and reduce the appearance of dark circles and signs of fatigue. Its smooth formula blends easily into the skin, providing natural-looking radiance and buildable coverage without feeling heavy. Shade 4.5 Luminous Sand is designed for medium skin tones with warm undertones. The pen applicator allows precise and easy touch-ups throughout the day.