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** To achieve maximum color results and retention, follow the directions for processing time. Over-processing will fade the color. Also, be sure to pre-lighten your hair with Sparks Lightening system (Powder Lightener and 20 Vol Developer) before you color. Sparks is a vibrant, permanent hair color that produces the brightest shades imaginable. It conditions hair as it colors, leaving hair healthier looking. Sparks colors can be used individually or intermixed to create a limitless pallet of color options.