Fine hair not only lacks body but also tends to quickly become flat and feels weighed down what if science could give you more than nature did l39oreal paris elvive fibrology air conditioner is the latest innovation in the science of haircare enriched with filloxane that penetrates the fibre and expands it while the clear formula cleanses and lifts roots with weightless volume your hair feels lifted airy and fresher for longer l39oreal paris elvive fibrology air conditioner