- WHITENING TOOTHPASTE: Opalescence Whitening Toothpaste for Sensitivity Relief has potassium nitrate which has been proven effective at reducing sensitivity caused by cold, heat, acids, sweets or contact.
- WHITENING TOOTHPASTE: Opalescence Whitening Toothpaste for Sensitivity Relief has potassium nitrate which has been proven effective at reducing sensitivity caused by cold, heat, acids, sweets or contact.
