Eco Style - Edge Styler Black Gel with Semi-Permanent Color 3 oz It is not necessary to completely color your hair if it is white or gray. Unlock superior moisture and cover gray and white edges for up to 2-3 washes. It is lightweight and gives your hair a healthy shine and great hold. Moisturizes the hair root and scalp and prevents hair damage. This formula does not contain alcohol and does not flake. Application: For best results, apply the gel to a thin, narrow brush and shape along the edges from the top of the head.