This is a smart, and selective new formula that acts only on the highlighted portions of hair. It is also a great add-on service to increase in-salon service revenue. The Smart selective formula in Color touch relights only acts on the highlightes. Color Touch is enriched with keratin and this demi-permanent hair dye not only provides color refresh but also rich shine. From cool and light to warm and dark blonde shades, Wella Color Touch enables quick color changes. High shine for stunning high fashion results.