L'Oreal Professionnel's Pro Longer multi-benefit leave in treatment helps to thicken your long hair whilst making it visibly healthier and stronger looking. When used with the Pro Longer shampoo for long hair, there is a reduction in hair breakage and split ends are visibly reduced. The unique Filler A-100 technology works by penetrating the fiber core to plump and thicken the hair from the inside. Amino acids in the formula work to strengthen the hair from the outside. The formula works on thin ends, or areas where help is most needed.

Benefits:

• Renews lengths and fills in ends
• Enhances shine
• Minimizes breakage and split ends
• Thickens long hair
• Hair is visibly healthier and stronger looking