The photocatalyst that we are using is called “Weltouch®” which means it applies everywhere. We are glad to propose this photocatalyst which has multiple functions. Weltouch Inside Home Clean Care is the right product for home care and protection. With only 1 use, the coating lasts more than 6 months It helps to build better brand image with “Weltouch”. We applied “Weltouch” after since 2006 we tested the anti-bacterial characteristics. Finally, we produce the Home Clean Care package as an anti-bacterial, anti-fungal, anti-viral and odor removing protection package that can be applied to all household appliances and equipment, one-time use, its effectiveness is more than 6 months.