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How can you create the illusion of length in a dimensional (foil) service?

  1. Apply foils horizontally

  2. Apply foils diagonally

  3. Apply foils in a circular pattern

  4. Apply foils vertically

The correct answer is: Apply foils vertically

One way to create the illusion of length in a dimensional (foil) service is to apply the foils vertically. This technique helps to elongate the hair and create the appearance of length. Applying foils horizontally, diagonally, or in a circular pattern would not have the same effect and may actually shorten the appearance of the hair. Thus, the best option is to apply foils vertically.