COS 202A: Haircolor

• Practice safety, sanitation, and disinfection procedures for chemical services, tools, implements, and equipment.
• Comprehend the role of density, porosity, hair texture, and wave pattern of the hair in the proper analysis and choice of chemicals.
• Comprehend the various chemicals used to perform color applications: temporary, semi-permanent, demi-permanent, permanent, developers, decolorizers, color remover.
• Differentiate between the following: levels of color, stages of decolorization, tone, intensity, complimentary colors.
• Demonstrate advanced techniques: weaving, slicing, block patterns, zones, balayage, ombre, corrective color.
• Develop strong communication skills regarding hair color services.

Health and Safety

1. Infection control
2. Draping
3. Tools 
4. Predisposition test
5. Disinfecting procedures

Hair Analysis

1. Wave pattern
2. Texture
3. Porosity
4. Elasticity
5. Density

Product Knowledge and Chemistry (hair color)

1. Categories of color (temporary, semi-permanent, demi-permanent, permanent)
2. Analine derivatives
3. Developers
4. Bleach (on and off the scalp, powder, oil, or cream)
5. Levels of color
6. Stages of decolorizing
7. Color wheel
8. Underlying/contributing pigment

Hair Color Tools and Equipment

1. ​Brushes
2. Bowls, bottles
3. Combs
4. Open air machine

Communication

1. Record keeping
2. Consultation

Hair Color and Bleaching Techniques

1. Color retouch application
2. Bleach retouch application
3. Virgin color application
4. Virgin bleach application
5. Toner application
6. Highlighting and slicing applications
7. Lowlight application
8. Balayage application
9. Ombre application
10. Shadow root application
11. Zonal/block color applications
12. Color melting
13. Removal of artificial color
14. Tint back to natural applications