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Cosmetology · Haircoloring Principles

The level system in haircoloring measures:

Reviewed by Jordan Morley, Editorial Lead at 247SimpleTests. Written by the 247SimpleTests Editorial Team from the official source material cited on every question.

Correct answer

The lightness or darkness of a color, from dark to light

  1. A The lightness or darkness of a color, from dark to light
  2. B The scent
  3. C The price of color
  4. D The brand

Why this is the answer

In haircoloring, the level system measures the lightness or darkness of a hair color, typically on a numbered scale from darkest to lightest (for example, low numbers for dark shades up to high numbers for the lightest blondes). Level describes depth only, separate from tone (the warmth or coolness of the color). Understanding level — and distinguishing it from tone — helps cosmetologists analyze natural color and formulate or choose target shades. The level concept is a standard part of haircoloring theory on the exam.
Source: Hair Care — Color Level

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About this topic: Haircoloring Principles

Haircoloring principles cover the colour wheel and levels, the categories of haircolour (temporary to permanent), developers and volumes, lightening, patch tests and formulation. The chemistry of oxidative colour is tested every time. This is one of 8 Hair Care questions on haircoloring principles, each with a full explanation on a single study page.

New to this exam? Our Cosmetology exam guide explains the format, scoring, and how to prepare.

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