New in Box, never used. Mary Kay Signature Facial Highlighting Pen, Shade 1. The special light-reflecting pigments in the new MK Signature™ Facial Highlighting Pen optically “lift” the shadowy areas of your face. Instantly your skin looks brighter, your tone more even and your face more radiant. This easy-to-use, super-sheer formula can be reapplied throughout the day to keep you looking refreshed and natural. Light Skin Tone.