ChromaSilk PASTELS imparts long-lasting, soft color. What It Does Keratin Amino Acids and pure Silk Amino Acids provide strength and durable shine when applied. How To Use Pre-lighten hair to recommended level prior to coloring. Apply VIVIDS directly to clean, dry hair. Process for 20 minutes at room temperature. Shampoo lightly with VIVIDS Color Protect Shampoo. Rinse thoroughly with cool water and style as desired.