Nourishing Hairwash with Keratin proteins and minerals. A cleansing and revitalising wash infused with Olive Kernel extract, Keratin proteins and Chlorine neutralisers to give hair body and gloss whilst helping to heal and protect the scalp. Olive Kernels contain the Olive Trees' natural reserve of essential life components. These include protein, fibre, minerals, enzymes, vitamins and anti-oxidants which help support the hair's natural defence system to maintain good body and skin fitness. 5 Litre refills for 300ml Olive Kernel, code 061303. When used with a 30ml moving nozzle pump, this refill allows the 300ml bottles to be topped up and kept looking great. The refill provides a further 10,000 pumps, equal to almost 17 x 300ml bottles, reducing packaging and waste to landfill by up to 90%.