Thicken and strengthen long hair with this leave-in treatment from L'Oréal Professionnel. The Filler A-100 technology penetrates the fiber core to plump and thicken hair from inside. This 10-in-1 cream reduces breakage when used with Pro Longer shampoo, making it ideal for thin ends.
Benefits: Pro Longer multi-benefit leave in treatment for long hair helps to thicken the appearance of your long hair whilst making it visibly healthier and stronger looking. When used with the Pro Longer shampoo for long hair, there is a hair breakage reduction . ( instrumental test, after application of Shampoo + leave-on)
Scientific Discovery: The Filler A-100 technology is patented to L'OrÉal Professionnel, and it works by penetrating the fiber core to plump and thicken the hair from the inside. The formula works on thin ends, or areas where help is most needed.
