Una instant dose of hydration and intense nourishment is provided by the HASK Keratin Protein leave-in treatment. It gives your hair everything it needs after washing, without having to spend more tempo than necessary in the bathroom. It will help smooth your hair by restoring its natural shine and the integrity of its struttura. It promotes their regeneration and helps make styling easier. All this in a simple, quick way and without the need to rinse. Just apply it, wash it or comb it to take care of the beauty and health of your hair. Try this leave-in treatment and discover a simple and quick way to regenerate with many other benefits.