Instant body booster for hair Aqua Booster hydrates, nourishes, and gives body and volume in just a few seconds. Enriched with Hyaluronic Acid and a complex of algae and marine extracts, it makes hair silky and shiny, the marine fragrance provides a una pleasant feeling of well-being. Directions for use: apply to washed hair, leave on for a few seconds, comb with your hands, and rinse.