Famous Foil Coloring Hair Ideas. Foils tend to work best when taking dark hair four or more shades lighter. With the current hair highlighting trend, the foilyage technique expands the proven freehand painting of the balayage method.

With the current hair highlighting trend, the foilyage technique expands the proven freehand painting of the balayage method. Foil highlighting is the most traditional highlight method. To keep your highlights looking fresh and vibrant, reach for a shampoo and conditioner that is formulated for.