Cosmetologist how-to

How to Apply All-Over Hair Color

Even application gives consistent results.

Updated By the Career Education Institute Curriculum Team
Quick answer

Even application gives consistent results. In short: do; section; mix, then complete the remaining steps below.

Step by step

  1. Do a patch test if required.

  2. Section the hair into quadrants.

  3. Mix color and developer.

  4. Apply to regrowth first, then lengths as needed.

  5. Process for the recommended time.

  6. Rinse, shampoo and condition.

Safety reminders for cosmetologists

  • Wear gloves with chemicals
  • Ventilate the salon
  • Follow sanitation rules
  • Protect your back and wrists with good posture

Balayage · Foils · Developer · Level · Tone · Porosity: see the full cosmetologist glossary.

More cosmetologist how-to guides

Enroll in trainingTake fit quiz