Colgate Optic White Mouthwash has a clinically proven unique formula with optic brightener that activates as you swish to reflect light, leaving your teeth looking whiter instantly.<br /><br />Use it twice a day for the most confident smile:<br />- Whiter teeth after the first rinse<br />- Provides daily stain defence<br />- Has a great refreshing taste<br />- Alcohol free<br /><br />Clinically tested by Dentists.<br /><br />For best results, use Colgate Optic White mouthwash with Colgate Optic White toothpaste and toothbrush.<br /><br />Size: 500mL <br /><br />Directions: Use 20mL twice a day. Rinse mouth thoroughly for 30 seconds and expel. <br /><br />This bottle and cap is recyclable. <br /><br />*Temporary optical effect of instant whitening. Long lasting protection with continuous use.&nbsp;