Foil highlights, a technique used to add contrast and dimension to hair, involve using aluminum foil to separate sections of hair and apply bleach or lightener. This controlled application allows for precise placement and even distribution of color.
Foil highlights offer several advantages. Firstly, they provide a natural-looking, sun-kissed effect by mimicking the way sunlight naturally lightens hair. Secondly, the foil barriers prevent the bleach from bleeding into unwanted areas, resulting in cleaner and more defined highlights. Additionally, foil highlights are less damaging than traditional highlighting methods as the foil helps regulate heat and prevents the hair from over-processing.