Why you'll love it A professional L'Oréal Serie Expert Serie Expert product Nourishes and cares for the hair Salon-quality L'Oréal Professionnel care Leaves hair soft, healthy-looking and manageable Part of the L'Oréal Serie Expert Serie Expert range Salon-quality nourishing care. L'Oréal Professionnel Serie Expert Blond Studio Nutri-Developer 40vol is a product that nourishes and cares for the hair, leaving it soft, healthy-looking and manageable. What it does for your hair Part of L'Oréal Professionnel's Serie Expert range (professional, targeted care), this product nourishes and softens the hair. A lovely addition to your routine. How to use it Apply to damp or dry hair as directed, focusing on the mid-lengths and ends. Do not rinse (unless directed). Who it's for This one's for anyone wanting nourishing care from L'Oréal Serie Expert. We've been perfecting colour, blow-dries and styling for clients in Codsall for years, and a good, targeted routine makes a real difference to how hair looks and feels. Build your routine Find a suitable wash in our shampoo collection, explore more across our hair products, or browse our shop by brand pages for your favourites. Free UK delivery on all orders.