Colgate Colgate Max White Purple Serum Duo Bundle 4.3 (950 reviews) £40.00 Where to buy Prices sorted cheapest first. Retailer Price Boots.com £40.00 Let's Go Code copied Paste it at checkout. Exclusions may apply. Visit retailer Cancel About this product This Bundle Includes -. | Colgate Max White Purple Serum Duo Bundle Browse related categories Best foundation Best concealer Best blusher Back to all face serum