Product Description Ote Clean, formerly known as Crystal Cleaner” is compatible with all rigid gas permeable (RGP) contact lenses and, despite its deep cleaning capabilities, is carefully formulated to be gentle for those with even the most sensitive eyes. Enjoy a deep clean with minimal irritation with Ote Clean. How does Ote Clean work? With Oté Clean, you can be sure of an exceptional contact lens cleaner for removing any dirt or protein that s built up on your lenses throughout the day. Ote Clean features the preservative Polyhexanide Biguanide, which ensures your lenses are kept clean and fresh. Worry less about the possibility of your contact lenses causing you irritation and enjoy unrivalled visual clarity whilst wearing your rigid gas permeable contact lenses. Ote Clean should not be used on soft lenses. Need more optical advice help? Ask our optical experts