Colgate Max White Purple Serum Whitening Booster The Colgate Max White Purple Serum is a whitening booster serum designed to be used after brushing, helping teeth look instantly brighter with a temporary colour-correcting effect. Its purple colour technology uses optical brighteners to create a light-reflecting smile from the very first use. The dual-action formula combines instant visual brightness with long-term whitening support when used regularly. Thanks to its micro-polishing ingredients, it helps remove surface stains and improve the appearance of tooth whiteness over time. With a refreshing mint and citrus flavour, this whitening serum leaves the mouth feeling clean and fresh. It is enamel-safe and suitable for daily use as part of your oral care routine. Key Benefits Helps teeth look instantly brighter* Supports long-term whitening results with regular use Uses purple colour-correcting technology with optical brighteners Helps remove surface stains Contains micro-polishing ingredients Enamel-safe formula Fresh mint and citrus flavour Suitable for daily use How to Use Use after brushing your teeth. Apply the serum as directed on the packaging, then continue with your usual oral care routine. For best results, use consistently every day. Do not swallow. Who Is It For? Ideal for adults looking for an easy daily whitening booster that provides an instant brightening effect while helping reduce the appearance of surface stains with regular use. Clinical & Consumer Results 8 out of 10 users noticed an improvement in tooth whiteness after 14 days of continuous use, according to a UK consumer test with 76 participants in 2024. *The instant effect is temporary. Long-term whitening results are achieved by helping remove surface stains with twice-daily brushing; results may vary by individual. ```