Professional color for eyebrows and eyelashes. The color lasts up to 6 weeks. During this period, new eyelashes and eyebrows grow back and must be re-colored. Makes eyelashes look longer and fuller. Best results are obtained with permanent staining because each time the color will penetrate more and more into the lashes, making the shade more intense and durable. Due to its creamy consistency, RefectoCil Oxidant 3% cream can conveniently be mixed with the RefectoCil tints to a homogenous paste which can be applied easily to the lashes and eyebrows.