Teosyal PureSense Redensity I is a unique hyaluronic acid-based skin enhancer which prevents premature skin from aging, restores skin density and maintains skin glow. Teosyal PureSense Redensity I is suitable for the face, neck and also neckline, where skin is showing signs of dryness, cutaneous slackening, sun damage and aging.Used to add density to the dermis.