- Water based
 - Immediate sensitivity relief.
 - Biofilm inhibitor.
 - No soft tissue irritation.
 - No gingival barrier required.
 - Ammonia free solution.
 
Contents:
- (1) 1.5mL Riva Star Aqua Bottle Step 1 (Blue label)
 - (1) 3mL Riva Star Aqua Bottle Step 2 (Green label)