Londa Professional Color Switch Semi-permanent color cream with direct dyes. Benefits Perfect coating and precise application with low-commitment and no damage Intermixable shades provide unlimited color results Particularly good adhesion to the hair Quick results - visible color results from just 10 min Versatile use for all hair types, dry and wet hair, foil and freehand techniques Lasts up to 20 washes Without developer, without ammonia, without peroxide Technologie Grip-On - bigger molecules of direct dyes, unable to penetrate deep into the hair, but they simply grip on the outer hair surface. How to use Apply the Color Switch hair color onto previously lightened or natural blonde hair, leave in for 20 minutes. Thoroughly rinse with warm water. Development time: 10-20 minutes *This is a professional product and should be used only by a trained individual. The seller is not liable for any adverse outcome resulting from the use of this product.