Get Refreshed and Smooth Skin Clarisonic Opal Sonic Infusion Replacement tip is used with the Clarisonic Opal Sonic Infusion System. It works together with the Sonic Infuser and the sonically optimized anti-aging serum to gently cleanse and massage the skin. It can soothe and hydrate, leaving skin feeling refreshed and energized, while reducing the signs of aging. It's always used with Infusion System and can be replaced easily. Helps to make your skin feel rejuvenated. Soothes and hydrates the skin. Helps to reduce the sign of aging. Each replacement pack contains three tips. Opal Applicator Tips are now available in replacement packs that contain three tips. Just For You: All skin types. A Closer Look: Clarisonic Opal Sonic Infusion Replacement Tip work together with the Sonic Infuser. It's easy to remove and replace the tip. Use it to get smooth and clear skin. Get Started: To remove and replace the tip, use your finger, and gently grasp below the rim of the hard plastic tip base and pop the tip off, being careful not to pull on the soft silicone. To replace the tip, press the tip firmly onto the black tip base. Replace the oral applicator tip after every 90 days.