[Visibly Whitens Yellow Teeth] Purple tone-up formula helps visibly brighten yellow teeth—see a whiter smile after just one use. [Instant Violet Tone-Up Effect] The violet hue helps neutralize yellow tones and boost brightness—see noticeable results after just one use. [24-Hour Stain Defense] Smart whitening particles lift away surface stains and help protect against new stains for up to 24 hours. [Strengthens & Protects Enamel] Fortified with ingredients that support stronger, healthier teeth with continued use. [Long-Lasting Freshness] Delivers Euthymol’s signature bold mint flavor that keeps your mouth feeling clean and fresh for up to 12 hours. [EUTHYMOL – Trusted British Heritage Since 1898] From the makers of EUTHYMOL—over 120 years of oral care expertise. Iconic, effective, and loved across generations.