Wella Koleston Perfect ME+ 4/77 Deep Browns Medium Brown Brown Intense 2 Ounce 60 Milliliters a permanent hair color that offers great color results with tonal depth and shine. The line has over 110 shades of intense vibrant color. Offers long-lasting grey coverage and up to 5 levels of lift. Simple 1:1 mixing ratio and 35 to 45 minutes to process with up to 100% grey/white hair coverage. Simple mixing 1:1 ratio. ATTENTION: These products require professional expertise. Seller is not liable for any adverse outcome resulting from the use of this product.