Aqua Seal Split Ends Serum reconditions and seals the cuticle with a film-forming and anti-frizz action. Enriched with Hyaluronic Acid and a complex of algae and marine extracts, it makes hair silky, elastic, and light, while the marine fragrance provides a una pleasant feeling of well-being. How to use: apply a small amount to damp or dry hair, do not rinse.