The Ordinary Hyaluronic Acid 2% + B5 is a hydrating serum that combines different molecular weights of hyaluronic acid with vitamin B5 to provide multi-level skin hydration. This lightweight, vegan formula helps plump the skin and reduce fine lines while maintaining moisture balance. This serum contains a 2% concentration of ultra-pure vegan hyaluronic acid in three molecular weights (low, medium, and high) plus a next-generation HA crosspolymer. The addition of vitamin B5 (panthenol) enhances surface hydration and helps repair the skin barrier. The water-based formula is suitable for all skin types and should be applied before heavier creams both morning and evening.