On the Color Picker window, select a dark color and press OK. After that, place the Solid Color layer below the subject layer. Hold the Shift key as you select the Layer Mask thumbnail to retrieve it. With the Layer Mask thumbnail selected, select the Brush tool, and set the Foreground color to black(#000000). Use the tool to paint along the edges of the hair to hide those pixels in the current layer. :Clairol Nice 'N Easy CC Plus Color Seal Intense weekly deep conditioning treaent enhances brown color treated hair. Helps protect against fade out to lock in vibrant color for all shades of brown. Reduces copper buildup to restore a healthy look and feel to hair. Specially formulated to seal in beautiful color for brown hair. One 55 milliliter tube.