Smooths and strengthens the hair structure thanks to its low pH value, creating a resilient hair surface. This makes the hair smoother and more supple, giving it a shiny appearance and making it easier to comb and style. Tip: Particularly suitable as an instant treatment after hair treatments such as coloring, highlights, or perming. Application: After washing the hair, distribute a hazelnut-sized amount through the hair and rinse out immediately without any exposure time.