Aquage 3-In-1 Spring, Marcel, Wand Curling Iron Titanium Technology. The barrel on the curling irons are titanium-coated to penetrate evenly throughout the entire hair section. Titanium conduce high temperatures efficiently for fast heat transfer to hair. Combine with your favorite Aquage styling product and technique, and you''ve got the ultimate prescription for creating perfectly shiny, textured curls or waves.