HELENE Manufacturing Technology Excellent Longevity and Safety 100% HA filler product Helene has 5 product lines for various use. Helene Implant is a Premium product and particle size is 500um and has strength of longevity. Helene all has the highest viscosity (8,000,000 cp) with excellent cohesiveness and small particle size (460 um) showing good moldability that can be used in any area. It is a new advanced product that is used for contouring and volumizing the forehead, temples, nose, cheeks, chin, and improves deep wrinkle lines such as the nasolabial folds. It also has excellent longevity.