At Biotech Sciences, we use 2 different molecules of Hyaluronic acid, that is 1 with smaller in weight called LMW HA, and the other molecule is higher in weight called HMW HA. cross-linked dual hyaluronic acid has a very very greater efficacy and results comparatively to the normal single molecule of hyaluronic acid, which every company in Pakistan is using, “Dual Cross Linked HA” is a Liposomal ingredient in skincare products, valued for its ability to hydrate, plump, and rejuvenate the skin for a more youthful and radiant complexion. Cross-linking refers to the process of chemically bonding hyaluronic acid molecules to form a network or matrix. This cross-linking enhances the stability and durability of hyaluronic acid, allowing it to remain active for longer periods within the skin. Enhanced hydration | Improved skin elasticity| Reduced fine lines and wrinkles | Long-lasting effects.