What is Redensity 1 Skin Booster? Redensity 1 Skin Booster is a hyaluronic acid-based injectable treatment designed to revitalize and enhance the skin’s overall appearance. Composition and Mechanism Redensity 1 Skin Booster is a hyaluronic acid-based injectable treatment designed to revitalize and enhance the skin’s overall appearance. It works by replenishing the skin with moisture,