• 'Say hello to Colgate's Ultimate Purple Serum
• Color corrects yellow tones for a whitening boost
vs. Optic White Stain Fighter Clean Mint; with regular use, results may vary
• Colgate’s superior color correction
• Clinically tested technology
• Slick & Smooth Serum Texture
• Refreshing Mint & Yuzu Flavor
• Enamel Safe
• Safe for Daily Use
• Instructions: Time for a boost! This product is not a substitute for toothpaste. Use in addition to your usual oral care routine. For best results, apply 1 pump on a toothbrush and gently brush for 2 minutes. Expel excess and rinse mouth after use.