WATERMANS WATERMANS Grow Me® Hair Growth Shampoo - Not just a Caffeine Shampoo we include Biotin £13.94 – £18.45 Where to buy Compare prices from 2 retailers Prices sorted cheapest first — total includes delivery where shown. Retailer Item Delivery Total Amazon £13.94 — £13.94 Lowest Let's Go Boots.com £14.50 £3.95 £18.45 Let's Go Code copied Paste it at checkout. Exclusions may apply. Visit retailer Cancel Browse related categories Best hair dye Best conditioner Best hair styling Back to all shampoo