Xailin Fresh Carmellose 0.5% w/v Eye Drops Xailin Fresh Carmellose 0.5% w/v Eye Drops soothe & relieve mild, moderate & severe dry eye symptoms such as redness, soreness, itchiness, grittiness & burning sensations. They contain the active ingredient carmellose, a lubricating ingredient that hydrates & nourishes the surface of the eye to alleviate the symptoms of dry eyes. It may also be used as a contact lens hydrating solution. Xailin Fresh Carmellose 0.5% w/v Eye Drops are preservative free & are supplied in convenient single dose units that are sterile until opened.