Sons Sons Strengthen Shampoo Bundle 4.3 (950 reviews) £29.97 Where to buy Prices sorted cheapest first. Retailer Price Boots.com £29.97 Let's Go Code copied Paste it at checkout. Exclusions may apply. Visit retailer Cancel About this product In this bundle:. | Sons Strengthen Shampoo Bundle Browse related categories Best hair dye Best conditioner Best hair styling Back to all shampoo