Matrix Matrix Mega Sleek Smoothing Conditioner 300ml 4.4 (1,400 reviews) £12.05 – £19.95 Where to buy Compare prices from 2 retailers Prices sorted cheapest first — total includes delivery where shown. Retailer Item Delivery Total Amazon £12.05 — £12.05 Lowest Let's Go Boots.com £16.00 £3.95 £19.95 Let's Go Code copied Paste it at checkout. Exclusions may apply. Visit retailer Cancel About this product Matrix Mega Sleek Smoothing Conditioner, 300ml Browse related categories Best hair dye Best shampoo Best hair styling Back to all conditioner