Always use only the highest-quality, pure oils. Kaiser Permanente does not cover all services or treatments. You can have well-hydrated and soft skin by regularly using Kerassentials. Regular use of the product reduces itching. They provide a shorter treatment time of around three months and better effectiveness. Manuka oil's antibacterial and antifungal qualities work together to eliminate infection. It can be applied directly onto the affected nail. Some people feel warmth, while others feel pinpricks.