Dia Activateur 9 Vol 1000ml by L'Oréal Professionnel

L'Oréal Professionnel sits at the very top of professional haircare, a brand born in the salon and shaped by decades of work alongside stylists and colourists. When a name has been trusted behind the chair for as long as this one, you know the products have earned their place.

The range is built around expert care for every concern and hair type. You will find colour systems, bond strengthening treatments, shampoos and conditioners, masks, and styling and finishing products, all developed with the same salon professional standard. Ranges like Serie Expert and Serie Nature target specific needs, whether that is repairing damage, taming frizz, adding shine or protecting colour, so there is a genuine solution for almost any client or routine.

What makes L'Oréal Professionnel special is the balance of innovation and reliability. The formulas feel luxurious, perform consistently and are backed by serious research, which is exactly why so many salons reach for them day in, day out. It is professional haircare you can trust to deliver.

Browse our full L'Oréal Professionnel collection, with free UK delivery on every order.