Wella SP System Professional Hydrate (H2) Conditioner 200ml (RRP £28.50). DESCRIPTION: The System Professional Hydrate Conditioner is designed to envelop your strands in long-lasting moisture. Ideal for dry hair types, the formula offers a gentle but hydrating cleanse. It quickly dissolves impurities from root to tip, taking care to condition your lengths. In a lightweight texture, the Conditioner is formulated to promote a supple, healthy-looking finish. Think: soft, clean, revitalised hair.