This product is applied directly from a unique applicator bottle with smoothing tool as a coating over existing silicone sealants to improve their appearance.UniBond Kitchen and Bathroom Re-New cures at room temperature to form an elastic, long-lasting coating. It is easy to use and easy to clean up. Fresh product can be removed with water.It has a triple protection system to assure long-term mould resistance.Allow to dry at least 6 hours before allowing water contact.