Refresh Liquigel 10% 15ml contains Carboxymethylcellulose, which treats dry eyes. It lubricates to relieve irritation and discomfort. In addition, it works similar to natural tears. It provides temporary relief from burning and pain due to dryness of the eye. REFRESH TEARS (Carboxymethylcellulose sodium 0.5%) EYE DROPS 15ML · OPTIVE LUBRICANT (sodium carboxymethylcellulose) EYE DROPS 10MLS