Teosyal PureSense Redensity 1 is a unique hyaluronic acid-based skin enhancer that prevents premature skin from aging, restores skin density, and maintains skin glow. Teosyal PureSense Redensity 1 contains lidocaine and is suitable for the face, neck, and also neckline, where the skin is showing signs of dryness, cutaneous slackening, sun damage, and aging.