Toni and Guy Damage Repair Conditioner with Keratin Active Technology 250ml, 3 pack. Give your hair a break from the hair dryer and hair straighteners for some well-deserved time off. Toni and Guy Damage Repair Conditioner formulated with Keratin Active Technology, is part of our system that intensely nourishes damaged hair, giving it the attention it needs. Smooth onto wet hair, leave on for 1-2 minutes then rinse thoroughly.