Poor gray coverage with semi-permanent- Color did not cover gray completely.Reapply a fresh formula and process up to 45 minutes. To get good gray coverage, color must be left on the hair for the full 45 minutes. Never skimp on processing time. Next time, use a Neutral (N) Series for complete gray coverage.
Poor gray coverage with semi-permanent on less than 40% grayAfter application of a deposit-only color there is poor gray coverage on less than 40% gray hair.
The color could have been removed too soon, or the color selected was too light compared to the client’s Natural Level. Reapply hair color formula, formulating a deeper shade that is within 2 Levels of the natural color. Apply in fine, even sections, being sure to thoroughly saturate the hair, and allow to process for entire recommended time.
Poor gray coverage with semi-permanent on more than 40% grayAfter application of a deposit-only color there is poor gray coverage on more than 40% gray hair.
Re-apply hair color formula, staying within 2 Levels of the natural color, and add up to 1 oz. of the next darker color in the same tone or warmer. Allow to process for entire recommended development time. In the future, if gray coverage is still not sufficient, it’s time to graduate the client to a permanent shade.