Kerastase Kerastase Kérastase Première Decalcifying Shampoo & Conditioner Duo With Pre-Shampoo For Damaged Hair 4.4 (650 reviews) £135.00 Where to buy Prices sorted cheapest first. Retailer Price Boots.com £135.00 Let's Go Code copied Paste it at checkout. Exclusions may apply. Visit retailer Cancel About this product Kérastase Première Decalcifying Shampoo & Conditioner Duo With Pre-Shampoo For Damaged Hair Browse related categories Best hair dye Best shampoo Best hair styling Back to all conditioner