Depending on your hair length and desired result, a full head of foils usually takes between 2 to 4 hours, including consultation, application, processing time, toning and styling.
A bigger blonde change may need more planning than a standard refresh, especially if your hair has previous colour or warmth. Our guide to going blonde explains the time, tone and maintenance involved.
A full head of foils treats the whole head, including the top, sides, crown and underneath layers. A half head of foils usually focuses on the top, crown and face-framing sections. Full head foils are better for a bigger colour change or more even brightness, while half head foils can work well for softer maintenance. For a deeper comparison, read our guide to half head foils vs whole head foils.
Yes, full head foils can help blend greys by adding lighter pieces through the hair, especially when paired with a toner or root shadow. Foils do not suit every grey coverage goal, though. If you are choosing between full coverage, blending or a softer grow-out, read our guide to grey coverage options.
No. Full head foils can be used on brunette, copper, red and darker hair to add caramel, chocolate, copper or lighter contrast through the hair. The same foil technique can create very different results depending on the shade, placement and toner. For a clearer explanation of colour dimension, read our guide to highlights and lowlights.

















